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USA 173

retired

Signals IntelligenceLEOCOSPAR 2003-054ALaunched 12/2/2003

Mission & Launch

Launch Mission: USA 173 [NOSS15]
Launch Vehicle: Atlas IIAS
Launch Date: 12/2/2003
Last Contact: 5/21/2013

Orbit & Mass

Orbit Class: LEO
Altitude: 1,106.5 km
Inclination: 63.43 deg
Dry Mass: 1,000 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: Lockheed Martin

Constellation

Name: NOSS / Intruder
Active Satellites: 15

Registry

COSPAR ID: 2003-054A
UN Registration: ST/SG/SER.E/444