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GP-B
Launch Details
| Launched | 19 April 2004 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 28230 |
| COSPAR ID | 2004-014A |
| Alternative names |
GRAVITY PROBE B |
| Observing |
Current orbital elements
| Inclination | 89.817° |
| Eccentricity | 0.00021 |
| RA ascending node | 6.617 hr |
| Argument perihelion | 78.101° |
| Mean anomaly | 282.045° |
| Orbital period | 97.381 min |
| Epoch of osculation | 23 May 2020, 09:16 |
Derived Quantities
| Min Altitude | 639.0 km |
| Mean Altitude | 640.5 km |
| Peak Altitude | 641.9 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.
Launched alongside
DELTA 2 R/B