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 26015.13882826 .00000203 00000-0 86278-4 0 9994
2 10544 63.3367 51.9840 0527843 160.1823 202.0612 13.91031612331109
Epoch: Jan 15, 2026 •
Age: 13 hours
Current Status
Altitude 554.2 km
Velocity 7.78 km/s
Sub-Earth Point 3.43°N,
129.88°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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