Program archive
Heliophysics is explored here through 49 archived missions, from IMP-1 through ESCAPADE, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.
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Choose a path through the Heliophysics archive.
49 mission-specific spacecraft and test articles, plus 0 launch systems and shared hardware records.
Advanced Composition Explorer spacecraft was a 1,658 pounds (752 kilograms) observatory operated by NASA Goddard Space Flight Center with Johns Hopkins APL and Caltech.
AMPTE Charge Composition Explorer spacecraft was a 529 pounds (240 kilograms) observatory operated by NASA with the Federal Republic of Germany and United Kingdom.
AMPTE Ion Release Module spacecraft was a about 1,560 pounds (710 kilograms) observatory operated by Federal Republic of Germany with NASA and United Kingdom partners.
AMPTE United Kingdom Subsatellite spacecraft was a about 170 pounds (77 kilograms) observatory operated by United Kingdom with NASA and Federal Republic of Germany partners.
Dynamics Explorer 1 spacecraft was a about 935 pounds (424 kilograms) observatory operated by NASA Goddard Space Flight Center.
Dynamics Explorer 2 spacecraft was a about 925 pounds (420 kilograms) observatory operated by NASA Goddard Space Flight Center.
Interstellar Boundary Explorer spacecraft constellation supported the Interstellar Boundary Explorer mission with 176 pounds (80 kilograms) flight elements.
ISEE-1 spacecraft was a about 1,000 pounds (450 kilograms) observatory operated by NASA with European Space Agency partnership.
ISEE-2 spacecraft was a about 360 pounds (165 kilograms) observatory operated by European Space Agency with NASA ground and science partnership.
ISEE-3 spacecraft was a about 1,000 pounds (450 kilograms) observatory operated by NASA with European Space Agency partnership.
Magnetospheric Multiscale spacecraft constellation supported the Magnetospheric Multiscale mission with about 3,000 pounds (1,360 kilograms) per observatory flight elements.
OGO-1 spacecraft was a about 1,100 pounds (500 kilograms), varying by mission observatory operated by NASA Goddard Space Flight Center with university and federal laboratory investigators.