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Hughes: HS-381 / HS-386

Leasat (Syncom-4) [Hughes]

SDS-2 [NRO]

Satellite Ordered Date Launcher Weight (kg) Remarks
Launch BOL
HS-381
Leasat 1 (Syncom-4 1) 1978 08.11.1984 Shuttle TU-882 3400 1388
Leasat 2 (Syncom-4 2) 1978 30.08.1984 Shuttle TU-882 3400 1388
Leasat 3 (Syncom-4 3) 1978 12.04.1985 r Shuttle TU-882 3400 1388 PKM failed, repaired later on orbit
Leasat 4 (Syncom-4 4) 1978 27.08.1985 Shuttle TU-882 3400 1388
Leasat 5 (Syncom-4 5) 1978 09.01.1990 Shuttle TU-882 3400 1388
HS-386
Quasar 8 (SDS-2 1) 08.08.1989 Shuttle TU-882 Molniya Orb.
Quasar 9 (SDS-2 2) 15.11.1990 Shuttle TU-882 GEO
Quasar 10 (SDS-2 3) 02.12.1992 Shuttle TU-882 Molniya Orb.
Quasar 11 (SDS-2 4) 03.07.1996 Titan-4(05)A TU-882 Molniya Orb.
Quasar x (SDS-2 5) not launched donated to NASA