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Mars Climate Orbiter

2.25

Poor

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description Mars Climate Orbiter Overview

Mars Climate Orbiter was a NASA Mars probe launched in 1998, notable for being lost in 1999 after a metric and English unit mismatch in navigation data.

insights Ranking position

Mars Climate Orbiter ranks #206 of 207 in the Space Mission ranking, behind Schiaparelli EDM, ahead of Fobos-Grunt.

help Mars Climate Orbiter FAQ

How good is Mars Climate Orbiter?

Mars Climate Orbiter scores 2.25/10 (Poor) on Lunoo, making it rated in the Space Mission category. Total mission loss from unit-conversion navigation error; widely cited as a major NASA engineering failure.

What are the best alternatives to Mars Climate Orbiter?

See our alternatives page for Mars Climate Orbiter for a ranked list with scores. Top alternatives include: Mariner 9, Viking 1, Mars Reconnaissance Orbiter.

How does Mars Climate Orbiter compare to Mariner 9?

See our detailed comparison of Mars Climate Orbiter vs Mariner 9 with scores, features, and an AI-powered verdict.

Is Mars Climate Orbiter worth it in 2026?

With a score of 2.25/10, Mars Climate Orbiter is a solid option in Space Mission. See all Space Mission ranked.

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