About

Chandra X-ray Observatory

operational
NORAD ID: 25867 • Int'l Des: 1999-040 • Owner: MSFC • Country: US
HEOELLIPTICALHEO_ELLIPTICAL
POV Track Ground

About Chandra X-ray Observatory

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Live Position

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Upcoming Passes

Altitude History

Altitude vs Time

uPlot chart will show altitude changes over time

Two-Line Element Set

1 25867U 99040B 25277.86155199 .00001110 00000-0 00000+0 0 9999
2 25867 51.6567 125.1996 8254346 310.4211 0.5468 0.37802090 16354
Epoch: Oct 4, 2025 • Age: 33 hours

Current Status

Altitude 140675.5 km
Velocity 0.70 km/s
Sub-Earth Point 35.73°N, 166.21°E
Launch Date Jul 23, 1999
Age 26.2 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
Data: planet4589.org

Large Constellations

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