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Apollo 16 PFS-2 particles-and-fields lunar subsatellite spacecraft family

Apollo 16’s PFS-2 particles-and-fields subsatellite was ejected from the Command and Service Module into lunar orbit on April 24, 1972. It measured the Moon’s plasma, particle, magnetic-field, and gravity environment and returned comparable data to PFS-1, but its low deployment orbit decayed after 34 days instead of the planned year.

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Identity

Aliases
Apollo 16 SubsatelliteApollo 16DPFS-2Particles and Fields Subsatellite1972-031D
Family Name
Apollo 16 Subsatellite
Full Name
Apollo 16 PFS-2 particles-and-fields lunar subsatellite spacecraft family
Roles
orbiterobservatoryresearch
Status
retired
Type
spacecraft

Details

Description
Apollo 16’s PFS-2 particles-and-fields subsatellite was ejected from the Command and Service Module into lunar orbit on April 24, 1972. It measured the Moon’s plasma, particle, magnetic-field, and gravity environment and returned comparable data to PFS-1, but its low deployment orbit decayed after 34 days instead of the planned year.
First Flight Year
1,972
Last Flight Year
1,972
Operator

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Creation Time
August 13, 2026 at 12:34:25 UTC
Updated Time
August 14, 2026 at 17:38:24 UTC