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SDS

Spacecraft · USA

Original archive entry. The text, images and links below are kept as they were written.

SDS 4
SDS 4
Credit: Manufacturer Image

American military communications satellite. SDS satellites, put into Molniya-type orbits, provided data relay services for optical reconnaissance and other military spacecraft. Communication satellite built by Hughes for USAF, USA. Launched 1976 - 1987. Used the HS-350 bus bus.

More at: SDS.

Country
USA
Launch Vehicles
Titan, Titan 34B
Agency
USAF
Bibliography
2, 279, 6, 4892, 11762, 13076

Chronology

2 events

1984 August 28

18:03 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC4W. LV Family: Titan. Launch Vehicle: Titan 34B.
  • USA 4 - . Payload: SDS no. 5. Mass: 700 kg (1,540 lb). Nation: USA. Agency: NRO, USAF. Class: Communications. Type: Military communications satellite. Spacecraft: SDS. USAF Sat Cat: 15226 . COSPAR: 1984-091A. Apogee: 39,975 km (24,839 mi). Perigee: 380 km (230 mi). Inclination: 63.30 deg. Period: 717.80 min. Satellite Data Systems 2..

1985 February 8

06:10 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC4W. LV Family: Titan. Launch Vehicle: Titan 34B.
  • USA 9 - . Payload: SDS no. 6. Mass: 700 kg (1,540 lb). Nation: USA. Agency: NRO, USAF. Class: Communications. Type: Military communications satellite. Spacecraft: SDS. USAF Sat Cat: 15546 . COSPAR: 1985-014A. Apogee: 39,775 km (24,714 mi). Perigee: 400 km (240 mi). Inclination: 63.00 deg. Period: 717.80 min. Satellite Data Systems 2..