Top Results for Phobos
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Phobos 2 was a Soviet spacecraft launched in 1988 as part of a mission to study Mars and its moon Phobos. It entered orbit around Mars in 1989 and returned observations of the planet before contact with the spacecraft was lost shortly before its planned encounter with Phobos. The mission was intende...
Why this score
Reached Mars orbit and returned useful data, but contact loss before Phobos operations limits its consensus standing.
ui.x_scoring_methodology
Phobos 1 was a Soviet spacecraft launched in July 1988, the twin of Phobos 2 in a program intended to study Mars and place small landers on the Martian moon Phobos. Contact was lost in September 1988 en route to Mars after an erroneous ground command shut off the attitude-control thrusters, leaving...
Why this score
Failed en route after command error; limited science return and remembered mostly as a costly Soviet Mars program loss.
ui.x_scoring_methodology
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,...
Why this score
Failed to leave Earth orbit and produced no Phobos science; commonly viewed as a major Russian planetary mission failure.
ui.x_scoring_methodologyFrequently Asked Questions
What leads the Phobos ranking?
Phobos 2 currently leads the Phobos results with a displayed score of 5.85/10. This is an editorial ranking result for the items included on this page, not a universal verdict for every use case.
How should I read the score and confidence label?
The 0 to 10 score is Lunoo's ranking judgment. Strong confidence means 10 or more recorded comparison checks, some means 2 to 9, and provisional means fewer than 2.
What supports this ranking?
Lunoo combines category fit, feature coverage, pricing and value signals, public reception, recency, and peer comparisons. Public source links support factual item details when available, but they are not required for membership in this 3-item ranking.
Can I compare the leading results for Phobos?
Yes. The comparison links put adjacent leaders side by side so you can inspect differences that one ranking score cannot capture.
