Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

GPS II-9

retired

Positioning Navigation TimingMEOCOSPAR 1990-088ALaunched 10/1/1990

Mission & Launch

Launch Mission: USA 64 (GPS II-9)
Launch Vehicle: Delta 6925
Launch Date: 10/1/1990
Last Contact: 3/14/2007

Orbit & Mass

Orbit Class: MEO
Altitude: 20,181.5 km
Inclination: 54.9 deg
Orbit Plane: 3
Dry Mass: 776 kg
Total Mass: 1,667 kg

Payload Classification

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

Organizations

Operator: U.S. Space Systems Command
Manufacturer: Boeing

Constellation

Name: GPS
Active Satellites: 35
Planned Satellites: 24

Registry

COSPAR ID: 1990-088A
UN Registration: ST/SG/SER.E/250