3 articles
Kosmos 1408 (Космос 1408)
Kosmos 1408 (Космос 1408) was a Soviet electronic intelligence satellite launched in 1982 and destroyed in a Russian anti-satellite missile test in November 2021, creating one of the largest debris clouds in low Earth orbit.
Mars Climate Orbiter
Mars Climate Orbiter (Mars Surveyor '98 Orbiter) was a NASA orbiter launched in December 1998 to study the Martian atmosphere; it was lost during orbit insertion in September 1999.
Polyus (Полюс) (spacecraft)
Polyus, also designated Skif-DM, was a Soviet experimental spacecraft launched on May 15, 1987 as the payload of the Energia rocket's maiden flight; a guidance failure prevented orbital insertion.