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About Chandra X-ray Observatory
Group: 3 satellites
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Two-Line Element Set
1 25867U 99040B 26111.19503102 .00000784 00000-0 00000-0 0 9991
2 25867 55.3045 118.2449 7934791 310.6117 359.7854 0.37808090 17105
Epoch: Apr 21, 2026 •
Age: -8 hours
Current Status
Altitude 75987.4 km
Velocity 2.18 km/s
Sub-Earth Point 10.73°N,
133.42°E
Launch Date Jul 23, 1999
Age 26.7 years
Type scientific
Technical Details
Classification Payload
Mass 5677.00 kg
Dry Mass 4653.00 kg
Total Mass 5677.00 kg
Length 14.00 m
Diameter 4.30 m
Span 19.50 m
Shape Cyl + 2 Pan
Manufacturer TRW
Bus Type AXAF
Phase Status In Orbit
Owner/State MSFC/US
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