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Mars Climate Orbiter

Occurred 25 years ago

Type

Orbiter

Launch

Dec. 11, 1998

Target

Mars

Status

Unsuccessful
Artist's concept of Mars Climate Orbiter
An artist’s concept of Mars Climate Orbiter.
NASA/JPL-Caltech

Key Facts

LaunchDec. 11, 1998
Launch SiteCape Canaveral Air Force Station, Florida
Launch VehicleDelta II
End of MissionSept. 23, 1999, lost on arrival

News and Features

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January’s Night Sky Notes: The Red Planet

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Avalanches, Icy Explosions, and Dunes: NASA Is Tracking New Year on Mars

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Moon to Mars: Reviewing the Architecture
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NASA Mars Orbiter Spots Retired InSight Lander to Study Dust Movement

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NASA Outlines Latest Moon to Mars Plans in 2024 Architecture Update

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