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USA 31

retired

Signals IntelligenceHEOCOSPAR 1988-077ALaunched 9/2/1988

Mission & Launch

Launch Mission: USA 31 [CY12]
Launch Vehicle: Titan 34D
Launch Date: 9/2/1988
Last Contact: 1/1/1988

Orbit & Mass

Orbit Class: HEO
Altitude: 19,935 km
Inclination: 26.7 deg
Dry Mass: 900 kg
Total Mass: 1,000 kg

Payload Classification

Mission Type: Signals Intelligence
Payload Category: SIG
Payload Class: D

Organizations

Operator: U.S. National Reconnaissance Office (NRO)
Manufacturer: Northrop Grumman

Constellation

Name: VORTEX
Active Satellites: 1

Registry

COSPAR ID: 1988-077A
UN Registration: ST/SG/SER.E/208