About

Navstar 4

operational
NORAD ID: 11141 • Int'l Des: 1978-112 • Owner: SAMSO • Country: US • Constellation: GPS
MEO
POV Track Group Ground

About Navstar 4

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Live Position

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Upcoming Passes

Altitude History

Altitude vs Time

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Two-Line Element Set

1 11141U 78112A 25277.46993110 .00000065 00000-0 00000+0 0 9993
2 11141 63.5340 79.4722 0142670 49.8936 302.8460 1.92895537224157
Epoch: Oct 4, 2025 • Age: 29 hours

Current Status

Altitude 20718.5 km
Velocity 3.85 km/s
Sub-Earth Point 54.52°N, 44.29°W
Launch Date Dec 11, 1978
Age 46.8 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
Data: planet4589.org

Large Constellations

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