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 26055.91374066 -.00000157 00000-0 00000-0 0 9992
2 27831 6.6080 70.7686 0006160 264.9261 303.7878 1.00271605 51936
Epoch: Feb 24, 2026 •
Age: 16 hours
Current Status
Altitude 35811.1 km
Velocity 3.07 km/s
Sub-Earth Point 6.58°N,
155.8°E
Launch Date Jun 11, 2003
Age 22.7 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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