About Optus and Defense C1
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 27831U 03028B 26002.49301184 -.00000150 00000-0 00000+0 0 9990
2 27831 6.4747 71.4320 0006209 213.6392 150.3143 1.00271827 51406
Epoch: Jan 2, 2026 •
Age: 19 hours
Current Status
Altitude 35780.0 km
Velocity 3.08 km/s
Sub-Earth Point -6.18°S,
155.96°E
Launch Date Jun 11, 2003
Age 22.5 years
Type other
Technical Details
Classification Payload
Mass 4725.00 kg
Dry Mass 1978.00 kg
Total Mass 4725.00 kg
Length 8.20 m
Diameter 7.80 m
Span 24.90 m
Shape Box + 2 Cruci Pan
Manufacturer LOR/MELCO
Bus Type SSL-1300
Phase Status In Orbit
Owner/State OPTS/AU
Large Constellations
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