About OPS 8781
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 10502U 77112A 26060.12650257 .00000630 00000-0 16049-3 0 9990
2 10502 63.3289 50.6819 0479511 160.7805 201.2055 14.07184323 92867
Epoch: Mar 1, 2026 •
Age: 31 hours
Current Status
Altitude 606.7 km
Velocity 7.69 km/s
Sub-Earth Point -19.71°S,
31.31°W
Launch Date Dec 8, 1977
Age 48.2 years
Type other
Technical Details
Classification Payload
Mass 559.00 kg
Dry Mass 559.00 kg
Total Mass 590.00 kg
Length 1.60 m
Diameter 1.50 m
Span 2.70 m
Shape Box + Ant
Manufacturer NRL
Bus Type NOSS MSD
Phase Status Attached in Orbit
Owner/State NRO/NRL/US
Large Constellations
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