About INTELSAT 603
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 20523U 90021A 25278.09907375 -.00000099 00000-0 00000+0 0 9996
2 20523 13.8534 11.1606 0003363 91.2097 219.6054 0.99477346122861
Epoch: Oct 5, 2025 •
Age: 10 hours
Current Status
Altitude 35995.7 km
Velocity 3.07 km/s
Sub-Earth Point 13.75°N,
88.69°W
Launch Date Mar 14, 1990
Age 35.5 years
Type communications
Technical Details
Classification Payload
Mass 4286.00 kg
Dry Mass 1906.00 kg
Total Mass 4286.00 kg
Length 11.80 m
Diameter 3.60 m
Span 11.80 m
Shape Cyl
Manufacturer HSES
Bus Type HS-389
Phase Status Grappled
Owner/State INTEL/I-INT
Large Constellations
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