HomeScience & ExplorationTop 10 Longest-Operating Spacecraft in Human History
Top 10Updated 2026年3月12日

Top 10 Longest-Operating Spacecraft in Human History

This ranking lists the longest-operating spacecraft in history based on their total service time since launch. These missions represent the pinnacle of engineering durability and endurance, acting as the primary scouts for human exploration of the solar system and providing invaluable data on deep space environments.

Current #1
Voyager 1
RankNameOperational Time (Years)Launch Date
Voyager 1
48.4September 5, 1977
Voyager 2
48.2August 20, 1977
Pioneer 10
31.7March 3, 1972
4
Pioneer 11
22.5April 6, 1973
5
Hubble Space Telescope
36April 24, 1990
6
Ulysses
18.7October 6, 1990
7
SOHO
30.2December 2, 1995
8
Cassini
19.7October 15, 1997
9
Chandra X-ray Observatory
26.6July 23, 1999
10
XMM-Newton
26.3December 10, 1999

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