Find Navstar 1
NORAD ID: 10684 • Int'l Des: 1978-020 • Owner: SAMSO • Country: US • Constellation:
GPS • operational
Also known as: OPS 5111 (NAVSTAR 1) spacetrack NAVSTAR 1 (OPS 5111) celestrak
MEOCIRCULAR
Historical Position — Sep 22, 2026
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About Navstar 1
Navstar 1 (NORAD 10684) is a GPS constellation satellite launched Feb 22, 1978 by SAMSO of US. It operates in MEO, CIRCULAR orbit with a mass of 409.00 kg. Last tracked position: Sep 22, 2026.
Altitude History
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Y: Altitude (km)
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Two-Line Element Set
1 10684U 78020A 26265.35935254 -.00000004 00000-0 00000-0 0 9998
2 10684 64.4226 49.4152 0081392 219.0455 140.3747 1.98072540338364
Epoch: Sep 22, 2026 •
Age: 380 hours
Current Status
Position data unavailable
Launch Date Feb 22, 1978
Age 48.6 years
Type navigation
Technical Details
Classification Payload
Mass 409.00 kg
Dry Mass 409.00 kg
Total Mass 775.00 kg
Length 2.40 m
Diameter 2.60 m
Span 5.30 m
Shape Box + 2 Pan
Manufacturer RWISB
Bus Type GPS
Phase Status In Orbit
Owner/State SAMSO/US
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