description Fobos-Grunt Overview
Fobos-Grunt, also written Phobos-Grunt, was a Russian interplanetary spacecraft launched on 8 November 2011 to study and return a sample from Phobos, one of Mars's moons. The spacecraft reached low Earth orbit, but its propulsion stage failed to perform the burns needed to begin the journey to Mars, leaving it stranded around Earth. It lost contact after launch and reentered Earth's atmosphere over the Pacific Ocean in January 2012, so no Phobos sample was returned.
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How good is Fobos-Grunt?
Fobos-Grunt scores 1.85/10 (Poor) on Lunoo, making it rated in the Space Mission category. Failed to leave Earth orbit and produced no Phobos science; commonly viewed as a major Russian planetary mission failure.
What are the best alternatives to Fobos-Grunt?
See our alternatives page for Fobos-Grunt for a ranked list with scores. Top alternatives include: Tianwen-3, MMX (Martian Moons eXploration), ExoMars Trace Gas Orbiter.
How does Fobos-Grunt compare to Tianwen-3?
See our detailed comparison of Fobos-Grunt vs Tianwen-3 with scores, features, and an AI-powered verdict.
Is Fobos-Grunt worth it in 2026?
With a score of 1.85/10, Fobos-Grunt is a solid option in Space Mission. See all Space Mission ranked.
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