About SS 2
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 10544U 77112E 25323.70271410 .00000634 00000-0 18944-3 0 9991
2 10544 63.3343 209.8809 0534694 159.3624 202.9948 13.90861016323259
Epoch: Nov 19, 2025 •
Age: 11 hours
Current Status
Altitude 643.6 km
Velocity 7.69 km/s
Sub-Earth Point 54.11°N,
131.14°W
Launch Date Dec 8, 1977
Age 47.9 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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