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USA 21

retired

CommunicationsHEOCOSPAR 1987-015ALaunched 2/12/1987

Mission & Launch

Launch Mission: USA 21 [JS8]
Launch Vehicle: Titan 34B
Launch Date: 2/12/1987
Last Contact: 1/1/2006

Orbit & Mass

Orbit Class: HEO
Altitude: 20,180 km
Inclination: 63.4 deg
Dry Mass: 650 kg
Total Mass: 800 kg

Payload Classification

Mission Type: Communications
Payload Category: COM
Payload Class: D

Organizations

Operator: U.S. National Reconnaissance Office (NRO)
Manufacturer: Hughes Space and Comms. Co (Hughes Satellite Systems)

Constellation

Name: Jumpseat
Active Satellites: 0

Registry

COSPAR ID: 1987-015A
UN Registration: ST/SG/SER.E/166