About SS 1
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 10529U 77112D 26050.05679106 .00000333 00000-0 12168-3 0 9992
2 10529 63.3389 326.6891 0527044 160.8288 201.3449 13.90185465335771
Epoch: Feb 19, 2026 •
Age: 8 hours
Current Status
Altitude 1184.1 km
Velocity 7.14 km/s
Sub-Earth Point -56.80°S,
17.84°W
Launch Date Dec 8, 1977
Age 48.1 years
Type other
Technical Details
Classification Payload
Mass 200.00 kg
Dry Mass 200.00 kg
Total Mass 200.00 kg
Length 0.90 m
Diameter 0.40 m
Span 10.00 m
Shape Box + Ant
Manufacturer NRL
Bus Type NOSS SSU
Phase Status In Orbit
Owner/State NRO/NRL/US
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