Optus and Defense C1

operational
NORAD ID: 27831 Int'l Des: 2003-028 Owner: OPTS Country: AU
HEOCIRCULARGSO

About Optus and Defense C1

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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 26056.41298438 -.00000159 00000-0 00000+0 0 9997
2 27831 6.6094 70.7623 0006172 265.3656 123.5737 1.00271559 51949
Epoch: Feb 25, 2026 • Age: 12 hours

Current Status

Altitude 35769.7 km
Velocity 3.08 km/s
Sub-Earth Point -3.88°S, 155.54°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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