Find Gravity Probe B
NORAD ID: 28230 • Int'l Des: 2004-014 • Owner: MSFC • Country: US • operational
LEOCIRCULARPOLAR
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About Gravity Probe B
Gravity Probe B (NORAD 28230) is a satellite launched Apr 20, 2004 by MSFC of US. It operates in LEO, CIRCULAR, POLAR orbit with a mass of 3145.00 kg.
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Two-Line Element Set
1 28230U 04014A 26202.09870785 .00000445 00000-0 52274-4 0 9997
2 28230 89.8475 49.5506 0002979 102.5243 257.6316 14.83316554657379
Epoch: Jul 21, 2026 •
Age: 12 hours
Current Status
Altitude 620.8 km
Apogee / Perigee N/A
Velocity 7.55 km/s
Sub-Earth Point 23.96°N,
74.05°E
Launch Date Apr 20, 2004
Age 22.2 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
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