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GPS IIR-4

active

Positioning Navigation TimingMEOCOSPAR 2000-025ALaunched 5/11/2000

Mission & Launch

Launch Mission: USA 150 (GPS IIR-4)
Launch Vehicle: Delta 7925-9.5
Launch Date: 5/11/2000

Orbit & Mass

Orbit Class: MEO
Altitude: 20,183.5 km
Inclination: 54.9 deg
Orbit Plane: 3
Dry Mass: 910 kg
Total Mass: 2,032 kg

Payload Classification

Mission Type: Positioning Navigation Timing
Payload Category: NAV
Payload Class: D

Organizations

Operator: U.S. Space Systems Command
Manufacturer: Lockheed Martin

Constellation

Name: GPS
Active Satellites: 35
Planned Satellites: 24

Registry

COSPAR ID: 2000-025A
UN Registration: ST/SG/SER.E/379