Mars Observer photograph

Mars Observer

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Launch dateSeptember 25, 1992
Max speed19,010 km/h
Speed on orbit3. 4 km/s
Orbit height389 km
Cost813 million USD
ManufacturersGeneral Electric Astro Space
Date of Reg.
Date of Upd.
ID1405117
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About Mars Observer


The Mars Observer spacecraft, also known as the Mars Geoscience/Climatology Orbiter, was a robotic space probe launched by NASA on September 25, 1992, to study the Martian surface, atmosphere, climate and magnetic field.

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