About Comstar 203
Group: 3 satellites
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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 10975U 78068A 26011.02782686 .00000021 00000-0 00000-0 0 9993
2 10975 9.8002 316.1760 0025104 317.2669 237.2197 0.99197835 44632
Epoch: Jan 11, 2026 •
Age: 17 hours
Current Status
Altitude 36157.7 km
Velocity 3.06 km/s
Sub-Earth Point 9.81°N,
27.54°E
Launch Date Jun 29, 1978
Age 47.5 years
Type other
Technical Details
Classification Payload
Mass 748.00 kg
Dry Mass 590.00 kg
Total Mass 1490.00 kg
Length 3.50 m
Diameter 2.40 m
Span 6.30 m
Shape Cyl + Ant
Manufacturer HSES
Bus Type HS-351
Phase Status In Orbit
Owner/State COM/US
Large Constellations
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