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 26102.76350801 -.00000143 00000-0 00000+0 0 9993
2 27831 6.7260 70.1867 0006151 313.0213 248.3801 1.00271890 52404
Epoch: Apr 12, 2026 •
Age: 14 hours
Current Status
Altitude 35787.8 km
Velocity 3.07 km/s
Sub-Earth Point 4.98°N,
155.63°E
Launch Date Jun 11, 2003
Age 22.8 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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