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2001 Mars Odyssey

2001 Mars Odyssey

Umjetnički prikaz letjelice 2001 Mars Odyssey ispred Marsa
OrganizacijaNASA
Tip misijeOrbiter
Satelit odMarsa
Datum ulaska u orbitu24. listopada 2001.
Datum lansiranja7. travnja 2001.
Lansiran uz pomoćDelta II
Internet sjedište(engl.) 2001 Mars Odyssey
Masa725 (331.8 + 348.7 goriva) kg
Napajanje750W (Mars)
Orbitalni elementi
Velika poluos3785 km od središta
~400 km iznad površine
Ekscentricitet orbite0.0115
Inklinacija93.2 stupanj (kut)
Orbitalni period1.964 sati

2001 Mars Odyssey automatska je svemirska sonda američke svemirske agencije NASA-e. Lansirana je 7. travnja 2001., a cilj joj je traženje vode na Marsu i istraživanje Marsa.

Ulazak u orbitu i lansiranje

Mars Odyssey je lansiran na raketi Delta II s Cape Canaverala na Floridi (nakon 53 minute znanstvenici su prvi put primili Odysseyeve signale), a do Marsa je stigao 24. listopada 2001. Nakon zračnog kočenja u trajanju od 244 sekunde, letjelica je ušla 23. listopada 2001. u orbitu Marsa (Mars Odyssey je mogla ponijeti i do 200 kg goriva). S prilično eliptične orbite 201 km - 500 km letjelica je dovedena u kružnu orbitu od približno 400 km.

Tijekom sljedećih mjeseci letjelica se pripremala za fazu mapiranja. Prvo je trebalo razviti antenu za komunikaciju koja u promjeru ima 1,3 metra. Da bi bili sigurni da se antena dobro razvila, znanstvenici su preko noći provjeravali mogućnost okretanja antene u različite položaje.

Napokon, poslane su i prve slike - snimana je Marsova polarna kapa koja ima promjer od 900 km i sve se više smanjuje jer je na Marsu kasno proljeće.

Instrumenti

Masa Mars Odysseya je pri lansiranju iznosila 725 kg uključujući 348.7 kg goriva. Letjelica je većinom izrađena od aluminija i titana.

THEMIS (Thermal Emission Imaging System) - težak 11,2 kilograma, dimenzije: 54,5 x 37 x 28,6 cm. Troši 14 W električne energije.

GRS (Gamma Ray Spectrometer) - težak 30,5 kilograma, dimenzije: 46,8 x 53,4 x 60,4 cm. Troši 32W el.energije. Neutronski spektrometar - dimenzije: 17,3 x 14,4 x 31,4 cm. High-energy neutron detector - dimenzije: 30,3 x 24,8 x 24,2 cm.

MARIE (Mars Radiation Environment Experiment) - težak 3,3 kilograma, dimenzije: 29,4 x 23,2 x 10,8 cm. Troši 7W el.energije.

Električna energija

Električna energija se sprema u 16 nikal-vodikovih baterija.

Vanjske poveznice

Zajednički poslužitelj ima još gradiva o temi 2001 Mars Odyssey
v • u
Istraživanje Marsa letjelicama
Preleti
Mariner 4 • 6 • 7 • Mars 4 • Rosetta • Dawn • MarCO
Orbiteri
Landeri
Roveri
Zrakoplovi
Buduće misije
Podebljano: aktivne misije
 
National Aeronautics and Space Administration (NASA)
Politika i povijest
NACA (1915) · National Aeronautics and Space Act (1958) · Paine (1986) · Rogers (1986) · Ride (1987) · Inicijativa za svemirsko istraživanje (1989) · Augustine (1990) · Američka nacionalna svemirska politika (1996) · CFUSAI (2002) · CAIB (2003) · Vizija za svemirsko istraživanje (2004) · Aldridge (2004) · Augustine (2009)
Općenito: Svemirska utrka · Upravitelji · Glavni znanstvenik · Budžet NASA-e · NASA spin-off · NASA TV
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