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THEMIS-ARTEMIS geospace constellation spacecraft

THEMIS is NASA’s active five-spacecraft geospace constellation launched in 2007 to study auroral substorms; two probes were repurposed as the lunar THEMIS-ARTEMIS mission and continue studying the Moon’s space environment.

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Identity

Family Name
THEMIS/ARTEMIS
Full Name
THEMIS-ARTEMIS geospace constellation spacecraft
Roles
orbiter
Status
active
Type
spacecraft

Details

Description
THEMIS is NASA’s active five-spacecraft geospace constellation launched in 2007 to study auroral substorms; two probes were repurposed as the lunar THEMIS-ARTEMIS mission and continue studying the Moon’s space environment.
First Flight Year
2,007

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Creation Time
August 12, 2026 at 22:55:59 UTC
Updated Time
August 12, 2026 at 22:55:59 UTC