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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 | 89.822° |
| Eccentricity | 0.00022 |
| RA ascending node | 4.910 hr |
| Argument perihelion | 73.454° |
| Mean anomaly | 286.692° |
| Orbital period | 97.315 min |
| Epoch of osculation | 31 May 2023, 07:17 |
Derived Quantities
| Min Altitude | 635.7 km |
| Mean Altitude | 637.3 km |
| Peak Altitude | 638.9 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