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List of asteroid close approaches to Earth in 2023

Time of discovery of asteroids which passed within 1 lunar distance from Earth in 2023
After closest approach: 34 (51.5%)< 24 hours before: 7 (10.6%)up to 7 days before: 23 (34.8%)> one week before: 2 (3.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)
  •   After closest approach: 34 (51.5%)
  •   < 24 hours before: 7 (10.6%)
  •   up to 7 days before: 23 (34.8%)
  •   > one week before: 2 (3.0%)
  •   > 7 weeks before: 0 (0.0%)
  •   > one year before: 0 (0.0%)
Other Years
2021, 2022, 2023, 2024, 2025

Below is the list of asteroids that have come close to Earth in 2023.

Timeline of known close approaches less than one lunar distance from Earth

A list of known near-Earth asteroid close approaches less than 1 lunar distance (0.0025696 AU (384,410 km; 238,860 mi)) from Earth in 2023.[1] As most asteroids passing within a lunar distance are less than 40 meters in diameter, they generally are not detected until they are within several million km of Earth. Objects coming from the direction of the Sun may not be publicly announced until a few days after closest approach. For example, 2023 AC1 was first imaged six hours after closest approach, then confirmed by other observations, but not officially announced until 3.5 days after closest approach.[2] 2023 MD4 that approached from the direction of the Sun was not first observed until 3.6 days after closest approach.[note 1] The largest asteroid on this list that is risk–listed is 2023 SM5 at about 17 meters in diameter with a 3.5-day observation arc and a 1:91000 chance of Earth impact on 2118 September 24.[3]

For reference, the radius of Earth is about 0.0000426 AU (6,370 km; 3,960 mi) or 0.0166 lunar distances. Geosynchronous satellites have an orbit with semi-major axis length of 0.000282 AU (42,200 km; 26,200 mi) or 0.110 lunar distances.

  Rows highlighted red indicate objects which were not discovered until after closest approach

  Rows highlighted yellow indicate objects discovered less than 24 hours before closest approach

  Rows highlighted green indicate objects discovered more than one week before closest approach

  Rows highlighted turquoise indicate objects discovered more than 7 weeks before closest approach

  Rows highlighted blue indicate objects discovered more than one year before closest approach (i.e.
objects successfully cataloged on a previous orbit, rather than being detected during final approach)

Date of
closest
approach 		Discovery[note 2] Object Nominal geocentric distance[note 3] Uncertainty
region
(3-sigma) 		Approx.
size (m) 		(H)
(abs. mag) 		Closer
approach
to Moon
[note 4]
(AU) (Lunar
distance)
2023-01-12[4] 2023-01-13
G96 Mt. Lemmon Survey[5]		 2023 AC1 0.00163 AU (244,000 km; 152,000 mi) 0.63 ± 1083 km[6] 4.4–9.8 29.0 —
2023-01-12[7] 2023-01-13
703 Catalina Sky Survey[8]		 2023 AV 0.000104 AU (15,600 km; 9,700 mi) 0.04 ± 393 km[9] 2.0–4.5 30.6 —
2023-01-21[10] 2023-01-22
F52 Pan-STARRS 2[11]		 2023 BY2 0.00169 AU (253,000 km; 157,000 mi) 0.66 ± 283 km[12] 3.3–7.4 29.5 ✓
2023-01-25[13] 2023-01-27
G96 Mt. Lemmon Survey[14]		 2023 BX5 0.00224 AU (335,000 km; 208,000 mi) 0.87 ± 642 km[15] 5.6–13 28.4 —
2023-01-25[16] 2023-01-18
F52 Pan-STARRS 2[17]		 2023 BL1 0.00150 AU (224,000 km; 139,000 mi) 0.58 ± 236 km[18] 15–33 26.3 —
2023-01-26[19] 2023-01-24
F52 Pan-STARRS 2[20]		 2023 BL2 0.00248 AU (371,000 km; 231,000 mi) 0.97 ± 474 km[21] 4.7–10 28.8 —
2023-01-27[22] 2023-01-21
L51 Gennadiy Borisov[23]		 2023 BU 0.000067 AU (10,000 km; 6,200 mi) 0.03 ± 2 km[24] 3.4–7.5 29.5 —
2023-01-27[25] 2023-01-26
G96 Mt. Lemmon Survey[26]		 2023 BZ3 0.00188 AU (281,000 km; 175,000 mi) 0.73 ± 665 km[27] 4.1–9.1 29.1 —
2023-01-30[28] 2023-02-01
M22 ATLAS South Africa[29]		 2023 CK 0.00070 AU (105,000 km; 65,000 mi) 0.27 ± 234 km[30] 11–24 27.0 —
2023-01-30[31] 2023-01-29
K88 GINOP-KHK, Piszkesteto[32]		 2023 BJ7 0.00248 AU (371,000 km; 231,000 mi) 0.97 ± 525 km[33] 4.7–10 28.8 ✓[note 5]
2023-02-09[34] 2023-02-12
G96 Mt. Lemmon Survey[35]		 2023 CG4 0.00184 AU (275,000 km; 171,000 mi) 0.71 ± 5086 km[36] 3.9–8.7 29.2 —
2023-02-13[37] 2023-02-12
K88 GINOP-KHK, Piszkesteto[38]		 2023 CX1 Impact Impact Impact 0.8–1.8 32.6 —
2023-02-25[39] 2023-02-24
K88 GINOP-KHK, Piszkesteto[40]		 2023 DR 0.00051 AU (76,000 km; 47,000 mi) 0.20 ± 65 km[41] 2.8–6.3 29.9 —
2023-03-09[42] 2023-03-10
703 Catalina Sky Survey[43]		 2023 EN 0.00091 AU (136,000 km; 85,000 mi) 0.35 ± 260 km[44] 6.7–15 28.0 —
2023-03-12[45] 2023-03-14
G96 Mt. Lemmon Survey[46]		 2023 ET2 0.00105 AU (157,000 km; 98,000 mi) 0.41 ± 3292 km[47] 2.1–4.7 30.5 —
2023-03-17[48] 2023-03-13
M22 ATLAS South Africa[49]		 2023 EY 0.00160 AU (239,000 km; 149,000 mi) 0.62 ± 152 km[50] 12–26 26.8 —
2023-03-19[51] 2023-03-17
I41 Palomar Mountain--ZTF[52]		 2023 FO 0.00231 AU (346,000 km; 215,000 mi) 0.90 ± 662 km[53] 3.5–7.9 29.4 —
2023-03-25[54] 2023-03-26
F51 Pan-STARRS 1[55]		 2023 FN6 0.00152 AU (227,000 km; 141,000 mi) 0.59 ± 426 km[56] 4.1–9.1 29.1 —
2023-03-25[57] 2023-02-27
950 La Palma[58]		 2023 DZ2 0.00116 AU (174,000 km; 108,000 mi) 0.45 ± 27 km[59] 40–90 24.2 —
2023-03-30[60] 2023-03-28
G96 Mt. Lemmon Survey[61]		 2023 FH7 0.00111 AU (166,000 km; 103,000 mi) 0.43 ± 358 km[62] 4.7–11 28.7 —
2023-04-11[63] 2023-04-11
K88 GINOP-KHK, Piszkesteto[64]		 2023 GQ 0.00089 AU (133,000 km; 83,000 mi) 0.35 ± 142 km[65] 5.5–12 28.4 —
2023-04-11[66] 2023-04-14
F52 Pan-STARRS 2[67]		 2023 GP3 0.00173 AU (259,000 km; 161,000 mi) 0.67 ± 908 km[68] 5.1–11 28.6 —
2023-04-14[69] 2023-04-16
W68 ATLAS Chile[70]		 2023 HE 0.00205 AU (307,000 km; 191,000 mi) 0.80 ± 719 km[71] 7.9–18 27.6 —
2023-04-15[72] 2023-04-16
G96 Mt. Lemmon Survey[73]		 2023 HZ 0.00192 AU (287,000 km; 178,000 mi) 0.75 ± 1156 km[74] 4.1–9.3 29.0 —
2023-04-17[75] 2023-04-16
G96 Mt. Lemmon Survey[76]		 2023 HB 0.00130 AU (194,000 km; 121,000 mi) 0.51 ± 754 km[77] 2.2–4.8 30.5 —
2023-04-18[78] 2023-04-16
F52 Pan-STARRS 2[79]		 2023 HH 0.00096 AU (144,000 km; 89,000 mi) 0.37 ± 153 km[80] 4.5–10 28.9 —
2023-04-18[81] 2023-04-17
G96 Mt. Lemmon Survey[82]		 2023 HT 0.00096 AU (144,000 km; 89,000 mi) 0.37 ± 150 km[83] 2.7–6.1 29.9 —
2023-04-20[84] 2023-04-17
G96 Mt. Lemmon Survey[85]		 2023 HK 0.00228 AU (341,000 km; 212,000 mi) 0.89 ± 655 km[86] 10–23 27.1 ✓
2023-04-23[87] 2023-04-22
G96 Mt. Lemmon Survey[88]		 2023 HW3 0.00140 AU (209,000 km; 130,000 mi) 0.54 ± 261 km[89] 4.4–9.8 28.9 —
2023-04-30[90] 2023-04-29
G96 Mt. Lemmon Survey[91]		 2023 HD7 0.00155 AU (232,000 km; 144,000 mi) 0.60 ± 269 km[92] 5.2–12 28.5 ✓
2023-05-09[93] 2023-05-09
703 Catalina Sky Survey[94]		 2023 JO 0.00062 AU (93,000 km; 58,000 mi) 0.24 ± 3596 km[95] 3.9–8.8 29.1 —
2023-05-09[96] 2023-05-08
703 Catalina Sky Survey[97]		 2023 JF 0.00214 AU (320,000 km; 199,000 mi) 0.83 ± 177 km[98] 8.2–18 27.6 ✓
2023-05-12[99] 2023-05-13
G96 Mt. Lemmon Survey[100]		 2023 JA3 0.00088 AU (132,000 km; 82,000 mi) 0.34 ± 523 km[101] 3.1–6.9 29.7 —
2023-05-17[102] 2023-05-19
G03 Capricornus Observatory, Csokako[103]		 2023 KT 0.00112 AU (168,000 km; 104,000 mi) 0.43 ± 279 km[104] 6.0–13 28.2 —
2023-05-22[105] 2023-05-20
G96 Mt. Lemmon Survey[106]		 2023 KS 0.00157 AU (235,000 km; 146,000 mi) 0.61 ± 334 km[107] 8.0–18 27.6 —
2023-05-27[108] 2023-05-28
703 Catalina Sky Survey[109]		 2023 KK4 0.00231 AU (346,000 km; 215,000 mi) 0.90 ± 1419 km[110] 8.4–19 27.5 —
2023-05-27[111] 2023-05-28
703 Catalina Sky Survey[112]		 2023 KU4 0.00194 AU (290,000 km; 180,000 mi) 0.76 ± 627 km[113] 6.3–14 28.1 ✓
2023-06-07[114] 2023-06-07
703 Catalina Sky Survey[115]		 2023 LC 0.00181 AU (271,000 km; 168,000 mi) 0.71 ± 89 km[116] 5.1–11 28.6 —
2023-06-09[117] 2023-06-10
W68 ATLAS Chile[118]		 2023 LS 0.00059 AU (88,000 km; 55,000 mi) 0.23 ± 49 km[119] 2.8–6.2 29.9 —
2023-06-13[120] 2023-06-14
G96 Mt. Lemmon Survey[121]		 2023 LP1 0.00171 AU (256,000 km; 159,000 mi) 0.67 ± 496 km[122] 3.1–7.0 29.6 —
2023-06-14[123] 2023-06-10
F52 Pan-STARRS 2[124]		 2023 LZ 0.00212 AU (317,000 km; 197,000 mi) 0.83 ± 612 km[125] 14–32 26.4 —
2023-06-15[126] 2023-06-14
G96 Mt. Lemmon Survey[127]		 2023 LM1 0.00074 AU (111,000 km; 69,000 mi) 0.29 ± 99 km[128] 5.5–12 28.4 —
2023-06-17[129] 2023-06-15
F52 Pan-STARRS 2[130]		 2023 LE2 0.00105 AU (157,000 km; 98,000 mi) 0.41 ± 80 km[131] 2.6–5.8 30.1 —
2023-06-20[132] 2023-06-21
F51 Pan-STARRS 1[133]		 2023 MB3 0.00105 AU (157,000 km; 98,000 mi) 0.41 ± 188 km[134] 2.8–6.3 29.9 —
2023-06-20[135] 2023-06-24[note 1]
W94 MAP, San Pedro de Atacama[136]		 2023 MD4 0.00194 AU (290,000 km; 180,000 mi) 0.75 ± 1570 km[137] 13–28 26.6 —
2023-06-23[138] 2023-06-22
G96 Mt. Lemmon Survey[139]		 2023 MW2 0.00083 AU (124,000 km; 77,000 mi) 0.32 ± 62 km[140] 2.7–6.0 30.0 —
2023-06-24[141] 2023-06-21
F51 Pan-STARRS 1[142]		 2023 ML3 0.00174 AU (260,000 km; 162,000 mi) 0.68 ± 315 km[143] 5.7–13 28.4 —
2023-06-25[144] 2023-06-21
F51 Pan-STARRS 1[145]		 2023 MU2 0.00145 AU (217,000 km; 135,000 mi) 0.57 ± 102 km[146] 3.9–8.6 29.2 —
2023-07-05[147] 2023-07-08
G96 Mt. Lemmon Survey[148]		 2023 NO 0.00255 AU (381,000 km; 237,000 mi) 0.99 ± 1915 km[149] 5.3–12 28.5 —
2023-07-13[150] 2023-07-15
M22 ATLAS South Africa[151]		 2023 NT1 0.00067 AU (100,000 km; 62,000 mi) 0.26 ± 135 km[152] 26–59 25.0 —
2023-08-18[153] 2023-08-20
K88 GINOP-KHK, Piszkesteto[154]		 2023 QY 0.00045 AU (67,000 km; 42,000 mi) 0.17 ± 654 km[155] 5.1–11 28.6 —
2023-08-19[156] 2023-08-20
K88 GINOP-KHK, Piszkesteto[157]		 2023 QS1 0.00072 AU (108,000 km; 67,000 mi) 0.28 ± 115 km[158] 5.1–11 28.6 —
2023-08-20[159] 2023-08-19
F51 Pan-STARRS 1[160]		 2023 QR 0.00139 AU (208,000 km; 129,000 mi) 0.54 ± 241 km[161] 3.7–8.4 29.3 —
2023-09-05[162] 2023-09-08
F51 Pan-STARRS 1[163]		 2023 RM16 0.00234 AU (350,000 km; 218,000 mi) 0.91 ± 832 km[164] 4.6–10 28.8 —
2023-09-07[165] 2023-09-07
G96 Mt. Lemmon Survey[166]		 2023 RS 0.00007 AU (10,000 km; 6,500 mi) 0.03 ± 13 km[167] 0.9–2 32.2 —
2023-09-07[168] 2023-09-10
W94 MAP, San Pedro de Atacama[169]		 2023 RG22 0.00250 AU (374,000 km; 232,000 mi) 0.97 ± 7613 km[170] 16–32 26.1 —
2023-09-08[171] 2023-09-09
G96 Mt. Lemmon Survey[172]		 2023 RY2 0.00127 AU (190,000 km; 118,000 mi) 0.49 ± 431 km[173] 6–13 28.3 —
2023-09-09[174] 2023-09-10
L51 Gennadiy Borisov[175]		 2023 RK5 0.00188 AU (281,000 km; 175,000 mi) 0.73 ± 449 km[176] 4–9 29.1 —
2023-09-13[177] 2023-09-11
F52 Pan-STARRS 2[178]		 2023 RR5 0.00139 AU (208,000 km; 129,000 mi) 0.54 ± 121 km[179] 5–11 28.7 —
2023-09-16[180] 2023-09-18
G96 Mt. Lemmon Survey[181]		 2023 SR5 0.00117 AU (175,000 km; 109,000 mi) 0.45 ± 1233 km[182] 5–11 28.6 —
2023-09-18[183] 2023-09-19
G96 Mt. Lemmon Survey[184]		 2023 SC2 0.00116 AU (174,000 km; 108,000 mi) 0.45 ± 411 km[185] 3.7–8.4 29.3 —
2023-09-20[186] 2023-09-19
G96 Mt. Lemmon Survey[187]		 2023 SN1 0.00222 AU (332,000 km; 206,000 mi) 0.86 ± 390 km[188] 3.7–8.2 29.3 ✓
2023-09-20[189] 2023-09-21
703 Catalina Sky Survey[190]		 2023 SL5 0.00035 AU (52,000 km; 33,000 mi) 0.14 ± 206 km[191] 5–11 28.7 —
2023-09-23[192] 2023-09-19
F52 Pan-STARRS 2[193]		 2023 SM5 0.00251 AU (375,000 km; 233,000 mi) 0.98 ± 1327 km[194] 14–30 26.5 ✓
2023-09-24[195] 2023-09-18
F52 Pan-STARRS 2[196]		 2023 SP3 0.00220 AU (329,000 km; 205,000 mi) 0.86 ± 247 km[197] 13–29 26.6 —
2023-09-25[198] 2023-09-26
K88 GINOP-KHK, Piszkesteto[199]		 2023 SH7 0.00036 AU (54,000 km; 33,000 mi) 0.14 ± 35 km[200] 1.3–2.8 31.6 —

Warning times by size

This sub-section visualises the warning times of the close approaches listed in the above table, depending on the size of the asteroid. The sizes of the charts show the relative sizes of the asteroids to scale. For comparison, the approximate size of a person is also shown. This is based the absolute magnitude of each asteroid, an approximate measure of size based on brightness.[1]

Absolute magnitude 30 and greater

Silhouette of man standing and facing forward
Silhouette of man standing and facing forward

(size of a person for comparison)

After closest approach: 3 (37.5%)< 24 hours before: 3 (37.5%)up to 7 days before: 2 (25.0%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 29-30

After closest approach: 12 (57.1%)< 24 hours before: 2 (9.5%)up to 7 days before: 7 (33.3%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 28-29

After closest approach: 13 (59.1%)< 24 hours before: 2 (9.1%)up to 7 days before: 7 (31.8%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 27-28

After closest approach: 3 (50.0%)< 24 hours before: 0 (0.0%)up to 7 days before: 3 (50.0%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 26-27

After closest approach: 2 (28.6%)< 24 hours before: 0 (0.0%)up to 7 days before: 4 (57.1%)> one week before: 1 (14.3%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 25-26

After closest approach: 1 (100.0%)< 24 hours before: 0 (0.0%)up to 7 days before: 0 (0.0%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude less than 25 (largest)

After closest approach: 0 (0.0%)< 24 hours before: 0 (0.0%)up to 7 days before: 0 (0.0%)> one week before: 1 (100.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)
  •   After closest approach: 0 (0.0%)
  •   < 24 hours before: 0 (0.0%)
  •   up to 7 days before: 0 (0.0%)
  •   > one week before: 1 (100.0%)
  •   > 7 weeks before: 0 (0.0%)
  •   > one year before: 0 (0.0%)

Notes

  1. ^ a b 2023 MD4 came to perihelion on 20 May 2023 and approached from the direction of the Sun. It made Earth closest approach at 20 June 2023 18:10 UT and was discovered 85.4 hours (3.56 d) later at 24 June 2023 07:36 UT.
  2. ^ Discovery date (first reported image), and if the object was confirmed and previously undiscovered, the discoverer
  3. ^ Distance from the center of Earth to the center of the object. See the NASA/JPL Solar System Dynamics Glossary: Geocentric. Earth has a radius of approximately 6,400 km (0.0166 LD).
  4. ^ Objects that approached closer to the Moon than Earth are marked with a check.
  5. ^ 2023 BJ7 passed 12,884 ± 334 km (8,006 ± 208 mi) from the centerpoint of the Moon around 30 January 2023 13:34 UT. Since the Moon has a radius of about 1,738 km (1,080 mi), it passed approximately 11,146 ± 334 km (6,926 ± 208 mi) from the surface of the Moon.

Beyond 1 LD

Below is an example list of near-Earth asteroids that nominally will pass more than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2023. During 2022, over 1,000 asteroids passed within 10 LD (3.8 million km) of Earth.

  Rows highlighted grey indicate a planet or main-belt asteroid

  Rows highlighted green indicate a comet which may have a larger uncertainty region due to non-gravitational forces from outgassing (sublimation).
It is also more difficult to make astrometric measurements of the precise location of the nucleus because it is masked by a fuzzy coma.

  Rows highlighted yellow indicate short arc objects that have not been observed for years and therefore the uncertainty in the approach distance and date are large

  Rows highlighted cyan indicate objects that had a short observation arc with large uncertainties that were recovered and their orbits greatly refined

  Rows highlighted red indicate objects which are risk–listed with a virtual impactor near this date

Object Size
(meters) 		Nearest approach
(lunar
distances) 		Date Ref
2022 YY6 16-35 2.1[note2 1] 2023-01-02 JPL · CAD
2014 LJ 5.3-12 3.9–12.2 (4.7 LD nominal) 2023-01-14? JPL · CAD
2012 BV13[note2 2] 100-220 12.11[note2 3] 2023-01-16 JPL · CAD
2020 BP 19-43 9.26[note2 4] 2023-01-19 JPL · CAD
C/2022 E3 (ZTF) ≈1,000?? 110.5[note2 5] 2023-02-01 JPL · CAD
(367789) 2011 AG5 110–250 4.73[note2 6] 2023-02-03 JPL · CAD
(199145) 2005 YY128 580-1300 11.96[note2 7] 2023-02-16 JPL · CAD
2023 DW 37-82 22.7 2023-02-18 JPL · CAD
2020 DG4[note2 8] 6-14 1.62[note2 9] 2023-02-18 JPL · CAD
(37638) 1993 VB 370-820 16.98[note2 10] 2023-02-21 JPL · CAD
405 Thia (MBA) 109,000 411.5 2023-03-20 JPL
2023 FM 130-280 7.8[note2 11] 2023-04-06 JPL · CAD
364P/PANSTARRS ≈300? 46.98[note2 12] 2023-04-07 JPL · CAD
4486 Mithra 1,850 63.31 2023-04-11 JPL · CAD
(436774) 2012 KY3 540–1200 12.4[note2 13] 2023-04-13 JPL · CAD
2006 HV5 300 6.29[note2 14] 2023-04-26 JPL · CAD
1627 Ivar 9,120 289.6 2023-04-29 JPL
Planet Mercury[note2 15] — 217.7 2023-05-04 JPL
453 Tea (MBA) 24,000 366.3 2023-05-05 JPL
2012 KP24 14-31 0.19–24 (10 LD nominal) 2023-05-31? JPL · CAD
2016 LP10[note2 16] 4-8 Impact–600 (245 LD nominal) 2023-06-10? Nominal
(488453) 1994 XD 600 8.23[note2 17] 2023-06-12 JPL · CAD
2020 DB5 380-850 11.2[note2 18] 2023-06-15 JPL · CAD
(467336) 2002 LT38 200–450 17.32 2023-06-24 JPL · CAD
2023 HO6 180-390 5.3[note2 19] 2023-07-05 JPL · CAD
2019 LH5 210-470 14.89 2023-07-07 JPL · CAD
237P/LINEAR 414.1 2023-07-08 JPL
2018 UY 180-410 7.41 2023-07-12 JPL · CAD
(490684) 2010 LL34 350-780 30.04 2023-07-13 JPL · CAD
C/2021 T4 (Lemmon) 210.6 2023-07-20 JPL
2019 GL5 260 20.82 2023-07-29 JPL · CAD
2006 AD 1585 68.39 2023-07-29 JPL · CAD
Planet Venus[note2 20] — 112.4 2023-08-13 JPL
4769 Castalia 1,400 42.82 2023-08-22 JPL · CAD
8 Flora (MBA) 147,000 387.1 2023-09-02 JPL
2016 LY48 77-170 5.01[note2 21] 2023-09-16 JPL · CAD
(523598) 2003 ED50 231 19.75 2023-09-20 JPL · CAD
103P/Hartley ≈2,000 148.9[note2 22] 2023-09-26 JPL · CAD
2022 UX1 7-15 1.9–5.2 (3.1 LD nominal) 2023-10-12 JPL · CAD
2021 NT14 245 18.54 2023-10-13 JPL · CAD
1998 HH49 140-320 3.05[note2 23] 2023-10-17 JPL · CAD
4544 Xanthus 1,300 76.10 2023-10-21 JPL · CAD
18 Melpomene (MBA) 140,000 334.2 2023-10-30 JPL
(525229) 2004 UU1 150–330 10.61 2023-10-30 JPL · CAD
(363505) 2003 UC20 1,900 13.66 2023-11-02 JPL · CAD
(164121) 2003 YT1 1,720 23.10 2023-11-03 JPL · CAD
C/2023 H2 (Lemmon) 75[note2 24] 2023-11-10 JPL · CAD
(7350) 1993 VA 1,900 50.36 2023-11-14 JPL · CAD
(341843) 2008 EV5 400 16.4 2023-12-20 JPL · CAD
2020 YO3 30-70 0.5–30 (3.5 LD nominal) 2023-12-23? JPL · CAD

Notes

  1. ^ The uncertainty region for 2022 YY6 on 2023-Jan-02 was ±6500 km.
  2. ^ 2012 BV13 was recovered by WISE in October 2022 and followed up by several observatories in January 2023.
  3. ^ The uncertainty region for 2012 BV13 on 2023-Jan-16 was ±103 km.
  4. ^ was 0.43–40 (5 LD nominal) before recovery on 14 January 2023 by Pan-STARRS 2
  5. ^ The uncertainty region for C/2022 E3 (ZTF) on 2023-Feb-01 was ±500 km.
  6. ^ 2011 AG5 brightened to about apmag 14.2 on 2023-Feb-02.
  7. ^ The uncertainty region for 2005 YY128 on 2023-Feb-16 was ±10 km. It brightened to about apmag 13.2 on 2023-Feb-14.
  8. ^ At the start of the year 2020 DG4 had the closest known nominal approach to Earth in 2023 at 1.4 LD.
  9. ^ was 1.2–11 (1.4 LD nominal) before recovery on 22 February 2023 by ATLAS South Africa
  10. ^ The uncertainty region for 1993 VB on 2023-Feb-21 was ±57 km. It brightened to about apmag 14.5 on 2023-Feb-25.
  11. ^ The uncertainty region for 2023 FM on 2023-Apr-06 is ±3200 km. It brightened to apmag 14.8 on 2023-Apr-04.
  12. ^ The uncertainty region for 364P/PANSTARRS on 2023-Apr-07 is ±47 km.
  13. ^ The uncertainty region for 2012 KY3 on 2023-Apr-13 was ±305 km. It brightened to apmag 14.2 on 2023-Apr-16.
  14. ^ The uncertainty region for 2006 HV5 on 2023-Apr-26 is ±36 km. It brightened to apmag 15.3 on 2023-Apr-24.
  15. ^ Mercury also will pass 260.9 LD from Earth on January 8, 244.4 LD from Earth on September 3, and 263.2 LD from Earth on December 23. Mercury makes a closest approach to Earth about every 116 days.
  16. ^ The asteroid with the greatest chance of impacting Earth in 2023 is 2016 LP10 (4-meters in diameter) with less than a 1-day observation arc. It has a 1:53,000 chance of impact on 10 June 2023, but is expected to be around 0.63 AU (94 million km; 250 LD) from Earth on that date at a basically undetectable apparent magnitude of 31. Such an impact would be similar to 2008 TC3.
  17. ^ The uncertainty region for 1994 XD on 2023-Jun-12 is ±17 km. It is expected to brighten to apmag 13.5 on 2023-Jun-10 and best seen from the Northern hemisphere.
  18. ^ The uncertainty region for 2020 DB5 on 2023-Jun-15 is ±51 km. It is expected to brighten to apmag 13.8 on 2023-Jun-14 and best seen from the Southern hemisphere.
  19. ^ The uncertainty region for 2020 HO6 on 2023-Jul-05 is ±700 km. It is expected to brighten to apmag 13.5 on 2023-Jul-05 and best seen from the Southern hemisphere.
  20. ^ For comparison as the closest Venus approach is 2023-Aug-13 at 0.2887 AU (112.4 LD).
  21. ^ was 4.3–8.7 (4.3 LD nominal) before recovery on 19 June 2023 by Canada–France–Hawaii Telescope
  22. ^ The uncertainty region for 103P/Hartley on 2023-Sep-26 is ±310 km.
  23. ^ The uncertainty region for 1998 HH49 on 2023-Oct-17 is ±471 km.
  24. ^ The uncertainty region for C/2023 H2 (Lemmon) on 2023-Nov-10 is ±57000 km. It might brighten to magnitude 10, but will stay within 75 degrees of the Sun when brightest.

See also

References

  1. ^ a b "NEO Earth Close Approaches". Center for Near Earth Object Studies. Jet Propulsion Laboratory. Retrieved 3 March 2021.
  2. ^ "MPEC 2023-A70 : 2023 AC1". Minor Planet Electronic Circular. Minor Planet Center. 2023-01-15. Retrieved 2023-01-16. (15th 15:14 – 12th 03:37 = 3d 11h 37m = ~3.5 days)
  3. ^ Sentry Risk Table: 2023 SM5
  4. ^ "JPL Small-Body Database Browser: (2023 AC1)". Jet Propulsion Laboratory. Retrieved 16 January 2023.
  5. ^ "2023 AC1". Minor Planet Center. International Astronomical Union. Retrieved 16 January 2023.
  6. ^ The uncertainty region for 2023 AC1 on 2023-Jan-12 was ±1083 km.
  7. ^ "JPL Small-Body Database Browser: (2023 AV)". Jet Propulsion Laboratory. Retrieved 14 January 2023.
  8. ^ "2023 AV". Minor Planet Center. International Astronomical Union. Retrieved 14 January 2023.
  9. ^ The uncertainty region for 2023 AV on 2023-Jan-12 was ±393 km.
  10. ^ "JPL Small-Body Database Browser: (2023 BY2)". Jet Propulsion Laboratory. Retrieved 26 January 2023.
  11. ^ "2023 BY2". Minor Planet Center. International Astronomical Union. Retrieved 25 January 2023.
  12. ^ The uncertainty region for 2023 BY2 on 2023-Jan-21 was ±283 km.
  13. ^ "JPL Small-Body Database Browser: (2023 BX5)". Jet Propulsion Laboratory. Retrieved 29 January 2023.
  14. ^ "2023 BX5". Minor Planet Center. International Astronomical Union. Retrieved 29 January 2023.
  15. ^ The uncertainty region for 2023 BX5 on 2023-Jan-25 was ±642 km.
  16. ^ "JPL Small-Body Database Browser: (2023 BL1)". Jet Propulsion Laboratory. Retrieved 24 January 2023.
  17. ^ "2023 BL1". Minor Planet Center. International Astronomical Union. Retrieved 24 January 2023.
  18. ^ The uncertainty region for 2023 BL1 on 2023-Jan-25 was ±236 km.
  19. ^ "JPL Small-Body Database Browser: (2023 BL2)". Jet Propulsion Laboratory. Retrieved 25 January 2023.
  20. ^ "2023 BL2". Minor Planet Center. International Astronomical Union. Retrieved 25 January 2023.
  21. ^ The uncertainty region for 2023 BL2 on 2023-Jan-26 was ±474 km.
  22. ^ "JPL Small-Body Database Browser: (2023 BU)". Jet Propulsion Laboratory. Retrieved 22 January 2023.
  23. ^ "2023 BU". Minor Planet Center. International Astronomical Union. Retrieved 22 January 2023.
  24. ^ The uncertainty region for 2023 BU on 2023-Jan-27 was ±2 km.
  25. ^ "JPL Small-Body Database Browser: (2023 BZ3)". Jet Propulsion Laboratory. Retrieved 28 January 2023.
  26. ^ "2023 BZ3". Minor Planet Center. International Astronomical Union. Retrieved 28 January 2023.
  27. ^ The uncertainty region for 2023 BZ3 on 2023-Jan-27 was ±665 km.
  28. ^ "JPL Small-Body Database Browser: (2023 CK)". Jet Propulsion Laboratory. Retrieved 4 February 2023.
  29. ^ "2023 CK". Minor Planet Center. International Astronomical Union. Retrieved 4 February 2023.
  30. ^ The uncertainty region for 2023 CK on 2023-Jan-30 was ±234 km.
  31. ^ "JPL Small-Body Database Browser: (2023 BJ7)". Jet Propulsion Laboratory. Retrieved 1 February 2023.
  32. ^ "2023 BJ7". Minor Planet Center. International Astronomical Union. Retrieved 1 February 2023.
  33. ^ The uncertainty region for 2023 BJ7 on 2023-Jan-30 was ±525 km.
  34. ^ "JPL Small-Body Database Browser: (2023 CG4)". Jet Propulsion Laboratory. Retrieved 22 February 2023.
  35. ^ "2023 CG4". Minor Planet Center. International Astronomical Union. Retrieved 22 February 2023.
  36. ^ The uncertainty region for 2023 CG4 on 2023-Feb-09 was ±5086 km. It was observed 2.53 days after closest approach and there were only 10 observations.
  37. ^ "JPL Small-Body Database Browser: (2023 CX1)". Jet Propulsion Laboratory. Retrieved 1 February 2023.
  38. ^ "2023 CX1". Minor Planet Center. International Astronomical Union. Retrieved 1 February 2023.
  39. ^ "JPL Small-Body Database Browser: (2023 DR)". Jet Propulsion Laboratory. Retrieved 26 February 2023.
  40. ^ "2023 DR". Minor Planet Center. International Astronomical Union. Retrieved 26 February 2023.
  41. ^ The uncertainty region for 2023 DR on 2023-Feb-25 was ±65 km.
  42. ^ "JPL Small-Body Database Browser: (2023 EN)". Jet Propulsion Laboratory. Retrieved 12 March 2023.
  43. ^ "2023 EN". Minor Planet Center. International Astronomical Union. Retrieved 12 March 2023.
  44. ^ The uncertainty region for 2023 EN on 2023-Mar-09 was ±260 km.
  45. ^ "JPL Small-Body Database Browser: (2023 ET2)". Jet Propulsion Laboratory. Retrieved 17 March 2023.
  46. ^ "2023 ET2". Minor Planet Center. International Astronomical Union. Retrieved 17 March 2023.
  47. ^ The uncertainty region for 2023 ET2 on 2023-Mar-12 was ±3292 km.
  48. ^ "JPL Small-Body Database Browser: (2023 EY)". Jet Propulsion Laboratory. Retrieved 17 March 2023.
  49. ^ "2023 EY". Minor Planet Center. International Astronomical Union. Retrieved 17 March 2023.
  50. ^ The uncertainty region for 2023 EY on 2023-Mar-17 was ±152 km.
  51. ^ "JPL Small-Body Database Browser: (2023 FO)". Jet Propulsion Laboratory. Retrieved 20 March 2023.
  52. ^ "2023 FO". Minor Planet Center. International Astronomical Union. Retrieved 20 March 2023.
  53. ^ The uncertainty region for 2023 FO on 2023-Mar-19 was ±662 km.
  54. ^ "JPL Small-Body Database Browser: (2023 FN6)". Jet Propulsion Laboratory. Retrieved 30 March 2023.
  55. ^ "2023 FN6". Minor Planet Center. International Astronomical Union. Retrieved 30 March 2023.
  56. ^ The uncertainty region for 2023 FN6 on 2023-Mar-25 was ±426 km.
  57. ^ "JPL Small-Body Database Browser: (2023 DZ2)". Jet Propulsion Laboratory. Retrieved 17 March 2023.
  58. ^ "2023 DZ2". Minor Planet Center. International Astronomical Union. Retrieved 17 March 2023.
  59. ^ The uncertainty region for 2023 DZ2 on 2023-Mar-25 (as known at the time of closest approach) was ±27 km.
  60. ^ "JPL Small-Body Database Browser: (2023 FH7)". Jet Propulsion Laboratory. Retrieved 30 March 2023.
  61. ^ "2023 FH7". Minor Planet Center. International Astronomical Union. Retrieved 30 March 2023.
  62. ^ The uncertainty region for 2023 FH7 on 2023-Mar-30 was ±358 km.
  63. ^ "JPL Small-Body Database Browser: (2023 GQ)". Jet Propulsion Laboratory. Retrieved 13 April 2023.
  64. ^ "2023 GQ". Minor Planet Center. International Astronomical Union. Retrieved 13 April 2023.
  65. ^ The uncertainty region for 2023 GQ on 2023-Apr-11 was ±142 km.
  66. ^ "JPL Small-Body Database Browser: (2023 GP3)". Jet Propulsion Laboratory. Retrieved 8 May 2023.
  67. ^ "2023 GP3". Minor Planet Center. International Astronomical Union. Retrieved 8 May 2023.
  68. ^ The uncertainty region for 2023 GP3 on 2023-Apr-11 was ±908 km.
  69. ^ "JPL Small-Body Database Browser: (2023 HE)". Jet Propulsion Laboratory. Retrieved 17 April 2023.
  70. ^ "2023 HE". Minor Planet Center. International Astronomical Union. Retrieved 17 April 2023.
  71. ^ The uncertainty region for 2023 HE on 2023-Apr-14 was ±719 km.
  72. ^ "JPL Small-Body Database Browser: (2023 HZ)". Jet Propulsion Laboratory. Retrieved 18 April 2023.
  73. ^ "2023 HZ". Minor Planet Center. International Astronomical Union. Retrieved 18 April 2023.
  74. ^ The uncertainty region for 2023 HZ on 2023-Apr-15 was ±1156 km.
  75. ^ "JPL Small-Body Database Browser: (2023 HB)". Jet Propulsion Laboratory. Retrieved 17 April 2023.
  76. ^ "2023 HB". Minor Planet Center. International Astronomical Union. Retrieved 17 April 2023.
  77. ^ The uncertainty region for 2023 HB on 2023-Apr-17 was ±754 km.
  78. ^ "JPL Small-Body Database Browser: (2023 HH)". Jet Propulsion Laboratory. Retrieved 17 April 2023.
  79. ^ "2023 HH". Minor Planet Center. International Astronomical Union. Retrieved 17 April 2023.
  80. ^ The uncertainty region for 2023 HH on 2023-Apr-18 was ±153 km.
  81. ^ "JPL Small-Body Database Browser: (2023 HT)". Jet Propulsion Laboratory. Retrieved 18 April 2023.
  82. ^ "2023 HT". Minor Planet Center. International Astronomical Union. Retrieved 18 April 2023.
  83. ^ The uncertainty region for 2023 HT on 2023-Apr-18 was ±150 km.
  84. ^ "JPL Small-Body Database Browser: (2023 HK)". Jet Propulsion Laboratory. Retrieved 18 April 2023.
  85. ^ "2023 HK". Minor Planet Center. International Astronomical Union. Retrieved 18 April 2023.
  86. ^ The uncertainty region for 2023 HK on 2023-Apr-20 was ±655 km.
  87. ^ "JPL Small-Body Database Browser: (2023 HW3)". Jet Propulsion Laboratory. Retrieved 25 April 2023.
  88. ^ "2023 HW3". Minor Planet Center. International Astronomical Union. Retrieved 25 April 2023.
  89. ^ The uncertainty region for 2023 HW3 on 2023-Apr-23 was ±261 km.
  90. ^ "JPL Small-Body Database Browser: (2023 HD7)". Jet Propulsion Laboratory. Retrieved 1 May 2023.
  91. ^ "2023 HD7". Minor Planet Center. International Astronomical Union. Retrieved 1 May 2023.
  92. ^ The uncertainty region for 2023 HW3 on 2023-Apr-23 was ±269 km.
  93. ^ "JPL Small-Body Database Browser: (2023 JO)". Jet Propulsion Laboratory. Retrieved 12 May 2023.
  94. ^ "2023 JO". Minor Planet Center. International Astronomical Union. Retrieved 12 May 2023.
  95. ^ The uncertainty region for 2023 JO on 2023-May-09 was ±3596 km.
  96. ^ "JPL Small-Body Database Browser: (2023 JF)". Jet Propulsion Laboratory. Retrieved 12 May 2023.
  97. ^ "2023 JF". Minor Planet Center. International Astronomical Union. Retrieved 12 May 2023.
  98. ^ The uncertainty region for 2023 JF on 2023-May-09 was ±177 km.
  99. ^ "JPL Small-Body Database Browser: (2023 JA3)". Jet Propulsion Laboratory. Retrieved 19 May 2023.
  100. ^ "2023 JA3". Minor Planet Center. International Astronomical Union. Retrieved 19 May 2023.
  101. ^ The uncertainty region for 2023 JA3 on 2023-May-12 was ±523 km.
  102. ^ "JPL Small-Body Database Browser: (2023 KT)". Jet Propulsion Laboratory. Retrieved 28 May 2023.
  103. ^ "2023 KT". Minor Planet Center. International Astronomical Union. Retrieved 28 May 2023.
  104. ^ The uncertainty region for 2023 KT on 2023-May-17 was ±279 km.
  105. ^ "JPL Small-Body Database Browser: (2023 KS)". Jet Propulsion Laboratory. Retrieved 28 May 2023.
  106. ^ "2023 KS". Minor Planet Center. International Astronomical Union. Retrieved 28 May 2023.
  107. ^ The uncertainty region for 2023 KS on 2023-May-22 was ±334 km.
  108. ^ "JPL Small-Body Database Browser: (2023 KK4)". Jet Propulsion Laboratory. Retrieved 13 June 2023.
  109. ^ "2023 KK4". Minor Planet Center. International Astronomical Union. Retrieved 13 June 2023.
  110. ^ The uncertainty region for 2023 KK4 on 2023-May-27 was ±1419 km.
  111. ^ "JPL Small-Body Database Browser: (2023 KU4)". Jet Propulsion Laboratory. Retrieved 13 June 2023.
  112. ^ "2023 KU4". Minor Planet Center. International Astronomical Union. Retrieved 13 June 2023.
  113. ^ The uncertainty region for 2023 KU4 on 2023-May-27 was ±627 km.
  114. ^ "JPL Small-Body Database Browser: (2023 LC)". Jet Propulsion Laboratory. Retrieved 13 June 2023.
  115. ^ "2023 LC". Minor Planet Center. International Astronomical Union. Retrieved 13 June 2023.
  116. ^ The uncertainty region for 2023 LC on 2023-Jun-07 was ±89 km.
  117. ^ "JPL Small-Body Database Browser: (2023 LS)". Jet Propulsion Laboratory. Retrieved 13 June 2023.
  118. ^ "2023 LS". Minor Planet Center. International Astronomical Union. Retrieved 13 June 2023.
  119. ^ The uncertainty region for 2023 LS on 2023-Jun-09 was ±49 km.
  120. ^ "JPL Small-Body Database Browser: (2023 LP1)". Jet Propulsion Laboratory. Retrieved 15 June 2023.
  121. ^ "2023 LP1". Minor Planet Center. International Astronomical Union. Retrieved 15 June 2023.
  122. ^ The uncertainty region for 2023 LP1 on 2023-Jun-13 was ±496 km.
  123. ^ "JPL Small-Body Database Browser: (2023 LZ)". Jet Propulsion Laboratory. Retrieved 13 June 2023.
  124. ^ "2023 LZ". Minor Planet Center. International Astronomical Union. Retrieved 13 June 2023.
  125. ^ The uncertainty region for 2023 LZ on 2023-Jun-14 was ±612 km.
  126. ^ "JPL Small-Body Database Browser: (2023 LM1)". Jet Propulsion Laboratory. Retrieved 15 June 2023.
  127. ^ "2023 LM1". Minor Planet Center. International Astronomical Union. Retrieved 15 June 2023.
  128. ^ The uncertainty region for 2023 LM1 on 2023-Jun-15 was ±99 km.
  129. ^ "JPL Small-Body Database Browser: (2023 LE2)". Jet Propulsion Laboratory. Retrieved 24 June 2023.
  130. ^ "2023 LE2". Minor Planet Center. International Astronomical Union. Retrieved 24 June 2023.
  131. ^ The uncertainty region for 2023 LE2 on 2023-Jun-17 was ±80 km.
  132. ^ "JPL Small-Body Database Browser: (2023 MB3)". Jet Propulsion Laboratory. Retrieved 24 June 2023.
  133. ^ "2023 MB3". Minor Planet Center. International Astronomical Union. Retrieved 24 June 2023.
  134. ^ The uncertainty region for 2023 MB3 on 2023-Jun-20 was ±188 km.
  135. ^ "JPL Small-Body Database Browser: (2023 MD4)". Jet Propulsion Laboratory. Retrieved 25 June 2023.
  136. ^ "2023 MD4". Minor Planet Center. International Astronomical Union. Retrieved 25 June 2023.
  137. ^ The uncertainty region for 2023 MD4 on 2023-Jun-20 was ±1570 km.
  138. ^ "JPL Small-Body Database Browser: (2023 MW2)". Jet Propulsion Laboratory. Retrieved 24 June 2023.
  139. ^ "2023 MW2". Minor Planet Center. International Astronomical Union. Retrieved 24 June 2023.
  140. ^ The uncertainty region for 2023 MW2 on 2023-Jun-23 was ±62 km.
  141. ^ "JPL Small-Body Database Browser: (2023 ML3)". Jet Propulsion Laboratory. Retrieved 24 June 2023.
  142. ^ "2023 ML3". Minor Planet Center. International Astronomical Union. Retrieved 24 June 2023.
  143. ^ The uncertainty region for 2023 ML3 on 2023-Jun-24 was ±315 km.
  144. ^ "JPL Small-Body Database Browser: (2023 MU2)". Jet Propulsion Laboratory. Retrieved 24 June 2023.
  145. ^ "2023 MU2". Minor Planet Center. International Astronomical Union. Retrieved 24 June 2023.
  146. ^ The uncertainty region for 2023 MU2 on 2023-Jun-25 was ±102 km.
  147. ^ "JPL Small-Body Database Browser: (2023 NO)". Jet Propulsion Laboratory. Retrieved 12 July 2023.
  148. ^ "2023 NO". Minor Planet Center. International Astronomical Union. Retrieved 12 July 2023.
  149. ^ The uncertainty region for 2023 NO on 2023-Jul-05 was ±1915 km.
  150. ^ "JPL Small-Body Database Browser: (2023 NT1)". Jet Propulsion Laboratory. Retrieved 17 July 2023.
  151. ^ "2023 NT1". Minor Planet Center. International Astronomical Union. Retrieved 17 July 2023.
  152. ^ The uncertainty region for 2023 NT1 on 2023-Jul-13 was ±135 km.
  153. ^ "JPL Small-Body Database Browser: (2023 QY)". Jet Propulsion Laboratory. Retrieved 24 August 2023.
  154. ^ "2023 QY". Minor Planet Center. International Astronomical Union. Retrieved 24 August 2023.
  155. ^ The uncertainty region for 2023 QY on 2023-Aug-18 was ±654 km.
  156. ^ "JPL Small-Body Database Browser: (2023 QS1)". Jet Propulsion Laboratory. Retrieved 24 August 2023.
  157. ^ "2023 QS1". Minor Planet Center. International Astronomical Union. Retrieved 24 August 2023.
  158. ^ The uncertainty region for 2023 QS1 on 2023-Aug-19 was ±115 km.
  159. ^ "JPL Small-Body Database Browser: (2023 QR)". Jet Propulsion Laboratory. Retrieved 24 August 2023.
  160. ^ "2023 QR". Minor Planet Center. International Astronomical Union. Retrieved 24 August 2023.
  161. ^ The uncertainty region for 2023 QR on 2023-Aug-20 was ±241 km.
  162. ^ "JPL Small-Body Database Browser: (2023 RM16)". Jet Propulsion Laboratory. Retrieved 27 September 2023.
  163. ^ "2023 RM16". Minor Planet Center. International Astronomical Union. Retrieved 27 September 2023.
  164. ^ The uncertainty region for 2023 RM16 on 2023-Sep-05 was ±832 km.
  165. ^ "JPL Small-Body Database Browser: (2023 RS)". Jet Propulsion Laboratory. Retrieved 27 September 2023.
  166. ^ "2023 RS". Minor Planet Center. International Astronomical Union. Retrieved 27 September 2023.
  167. ^ The uncertainty region for 2023 RS on 2023-Sep-07 was ±13 km.
  168. ^ "JPL Small-Body Database Browser: (2023 RG22)". Jet Propulsion Laboratory. Retrieved 27 September 2023.
  169. ^ "2023 RG22". Minor Planet Center. International Astronomical Union. Retrieved 27 September 2023.
  170. ^ The uncertainty region for 2023 RG22 on 2023-Sep-07 was ±7613 km.
  171. ^ "JPL Small-Body Database Browser: (2023 RY2)". Jet Propulsion Laboratory. Retrieved 27 September 2023.
  172. ^ "2023 RY2". Minor Planet Center. International Astronomical Union. Retrieved 27 September 2023.
  173. ^ The uncertainty region for 2023 RY2 on 2023-Sep-08 was ±431 km.
  174. ^ "JPL Small-Body Database Browser: (2023 RK5)". Jet Propulsion Laboratory. Retrieved 27 September 2023.
  175. ^ "2023 RK5". Minor Planet Center. International Astronomical Union. Retrieved 27 September 2023.
  176. ^ The uncertainty region for 2023 RK5 on 2023-Sep-09 was ±449 km.
  177. ^ "JPL Small-Body Database Browser: (2023 RR5)". Jet Propulsion Laboratory. Retrieved 27 September 2023.
  178. ^ "2023 RR5". Minor Planet Center. International Astronomical Union. Retrieved 27 September 2023.
  179. ^ The uncertainty region for 2023 RR5 on 2023-Sep-13 was ±121 km.
  180. ^ "JPL Small-Body Database Browser: (2023 SR5)". Jet Propulsion Laboratory. Retrieved 27 September 2023.
  181. ^ "2023 SR5". Minor Planet Center. International Astronomical Union. Retrieved 27 September 2023.
  182. ^ The uncertainty region for 2023 SR5 on 2023-Sep-16 was ±1233 km.
  183. ^ "JPL Small-Body Database Browser: (2023 SC2)". Jet Propulsion Laboratory. Retrieved 27 September 2023.
  184. ^ "2023 SC2". Minor Planet Center. International Astronomical Union. Retrieved 27 September 2023.
  185. ^ The uncertainty region for 2023 SC2 on 2023-Sep-18 was ±411 km.
  186. ^ "JPL Small-Body Database Browser: (2023 SN1)". Jet Propulsion Laboratory. Retrieved 27 September 2023.
  187. ^ "2023 SN1". Minor Planet Center. International Astronomical Union. Retrieved 27 September 2023.
  188. ^ The uncertainty region for 2023 SN1 on 2023-Sep-20 was ±390 km.
  189. ^ "JPL Small-Body Database Browser: (2023 SL5)". Jet Propulsion Laboratory. Retrieved 28 September 2023.
  190. ^ "2023 SL5". Minor Planet Center. International Astronomical Union. Retrieved 28 September 2023.
  191. ^ The uncertainty region for 2023 SL5 on 2023-Sep-20 was ±206 km.
  192. ^ "JPL Small-Body Database Browser: (2023 SM5)". Jet Propulsion Laboratory. Retrieved 28 September 2023.
  193. ^ "2023 SM5". Minor Planet Center. International Astronomical Union. Retrieved 28 September 2023.
  194. ^ The uncertainty region for 2023 SM5 on 2023-Sep-23 is 1327±km.
  195. ^ "JPL Small-Body Database Browser: (2023 SP3)". Jet Propulsion Laboratory. Retrieved 28 September 2023.
  196. ^ "2023 SP3". Minor Planet Center. International Astronomical Union. Retrieved 28 September 2023.
  197. ^ The uncertainty region for 2023 SP3 on 2023-Sep-24 was ±247 km.
  198. ^ "JPL Small-Body Database Browser: (2023 SH7)". Jet Propulsion Laboratory. Retrieved 29 September 2023.
  199. ^ "2023 SH7". Minor Planet Center. International Astronomical Union. Retrieved 28 September 2023.
  200. ^ The uncertainty region for 2023 SH7 on 2023-Sep-25 was ±35 km.
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