About

Gravity Probe B

operational
NORAD ID: 28230 • Int'l Des: 2004-014 • Owner: MSFC • Country: US
LEOCIRCULARPOLAR
POV Track Ground

About Gravity Probe B

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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 28230U 04014A 25279.12340334 .00001701 00000-0 20887-3 0 9996
2 28230 89.8410 55.1257 0003271 97.6374 262.5222 14.82710077614695
Epoch: Oct 6, 2025 • Age: 8 hours

Current Status

Altitude 649.7 km
Velocity 7.53 km/s
Sub-Earth Point -72.20°S, 61.66°E
Launch Date Apr 20, 2004
Age 21.4 years
Type other

Technical Details

Classification Payload
Mass 3145.00 kg
Dry Mass 2805.00 kg
Total Mass 3145.00 kg
Length 6.40 m
Diameter 2.60 m
Span 6.40 m
Shape Ell + Ant + 4 Pan
Manufacturer LMMS/STAN
Phase Status In Orbit
Owner/State MSFC/US
Data: planet4589.org

Large Constellations

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