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Mars Observer

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Mars Observer

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Also known as Mars Observer; MO

space probe

Key facts

Names
Mars Geoscience Climatology Orbiter
Mission type
Mars orbiter
Operator
NASA / JPL
Cospar id
1992-063A
Website
science.nasa.gov
Mission duration
330 days, Mission failure
Bus
Mars Observer bus (AS-4000-TIROS/DMSP hybrid)
Manufacturer
General Electric , Astro Space
Launch mass
1,018 kg (2,244 lb)
Power
1,147 watts
Launch date
September 25, 1992, 17:05:01 ( 1992-09-25UTC17:05:01Z ) UTC
Rocket
Commercial Titan III / TOS
Launch site
Cape Canaveral LC-40
Contractor
Martin Marietta
Last contact
August 21, 1993, 01:00 ( 1993-08-21UTC02Z ) UTC
Reference system
Areocentric
Semi major axis
3,766.159 km (2,340.183 mi)
Inclination
92.869°

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Wikidata facts

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Mars Observer.jpg
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Commons category
Mars Observer
UTC date of spacecraft launch
1992-09-25
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Article

Mars Observer was an American robotic space probe launched by NASA on September 25, 1992, to study the surface, atmosphere, climate and magnetic field of Mars. The spacecraft was developed and managed by the Jet Propulsion Laboratory.

The project originated with a 1984 proposal for a new Mars mission, originally titled the Mars Geoscience Climatology Orbiter. As the first and ultimately only mission in the Planetary Observer program, its design was based on earlier Earth-orbiting satellites, including the TIROS and DMSP series. Seven scientific instruments were included.

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