About SES-21
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 53961U 22123B 26013.07128074 .00000000 00000-0 00000+0 0 9994
2 53961 0.0382 38.0824 0001111 250.8329 78.3976 1.00267623 5650
Epoch: Jan 13, 2026 •
Age: 22 hours
Current Status
Altitude 35784.0 km
Velocity 3.07 km/s
Sub-Earth Point -0.05°S,
130.9°W
Launch Date Oct 4, 2022
Age 3.2 years
Type communications
Technical Details
Classification Payload
Mass 1768.00 kg
Dry Mass 1638.00 kg
Total Mass 1768.00 kg
Length 5.00 m
Diameter 3.50 m
Span 30.00 m
Shape Box + 2 Pan
Manufacturer BOES
Bus Type BSS-702SP
Phase Status In Orbit
Owner/State SESSAP/US
Large Constellations
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