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Pegasus Satellite

PEGSAT was a rapidly developed NASA Goddard spacecraft that served as the instrumented payload for Pegasus's maiden orbital flight. It measured the new launch vehicle's mechanical environment, carried two chemical-release canisters for studies of ion acceleration above the aurora, and deployed the U.S. Navy's compact SECS communications experiment after reaching orbit.

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Identity

Aliases
PEGSATPegasus 001AUSA-54
Name
Pegasus Satellite
Slug
pegasus-satellite-pegsat
Status
completed

Details

Astronauts
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Description
PEGSAT was a rapidly developed NASA Goddard spacecraft that served as the instrumented payload for Pegasus's maiden orbital flight. It measured the new launch vehicle's mechanical environment, carried two chemical-release canisters for studies of ion acceleration above the aurora, and deployed the U.S. Navy's compact SECS communications experiment after reaching orbit.
Launch Site
Outcome
PEGSAT reached its high-inclination orbit on the first Pegasus flight, returned launch-environment measurements, deployed SECS, and conducted barium and strontium releases over northern Canada in April 1990. The flight validated both the low-cost spacecraft approach and key techniques for later chemical-release research.
Program
Combined Release and Radiation Effects Satellite precursor experiments
Start Date
1990-04-05
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Creation Time
July 18, 2026 at 17:48:34 UTC
Updated Time
July 18, 2026 at 17:48:34 UTC

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