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Microsat 1

Pegasus/HAPS launch from Edwards AFB (United States) on July 17, 1991, carrying 7 payloads. GCAT records the launch as a failure.

July 17, 1991 · 17:33 UTCLaunch 1991-051Launch no. 3,646 in the log
RocketPegasus/HAPS
SpaceportEdwards AFBpad RW04/22
OutcomeFailure · 0.4stage 1 separation failure; later stages kept firing on the wrong trajectory
Launch agencyOSC-FairfaxUnited States

Flight

Date and time (UTC)
July 17, 1991, 17:33
Launch designation
1991-051
Mission
Microsat 1
Flight name
Microsat
Vehicle flight ID
002/F2

Orbit and payload

Initial apogee
479 km
Payload mass to orbit
0.147 t
Payloads
7
GCAT launch code
OF40 · S1S*

Payloads

PayloadDesignationOwnerMission typeMassFate
Microsat 11991-051ANORAD 21580Defense Advanced Research Projects AgencyCommunications21 kgReentered (orbital decay) · Jan 23, 1992
Microsat 21991-051BNORAD 21581Defense Advanced Research Projects AgencyCommunications21 kgReentered (orbital decay) · Jan 23, 1992
Microsat 31991-051CNORAD 21582Defense Advanced Research Projects AgencyCommunications21 kgReentered (orbital decay) · Jan 24, 1992
Microsat 41991-051DNORAD 21583Defense Advanced Research Projects AgencyCommunications21 kgReentered (orbital decay) · Jan 23, 1992
Microsat 51991-051ENORAD 21584Defense Advanced Research Projects AgencyCommunications21 kgReentered (orbital decay) · Jan 24, 1992
Microsat 61991-051FNORAD 21585Defense Advanced Research Projects AgencyCommunications21 kgReentered (orbital decay) · Jan 25, 1992
Microsat 71991-051GNORAD 21586Defense Advanced Research Projects AgencyCommunications21 kgReentered (orbital decay) · Jan 23, 1992

Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.