Browse satellite catalog
|
Map of low-earth satellites
|
Satellites above your horizon
|
3D map of low-earth satellites
Spacecraft information: 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 | 89.846° |
| Eccentricity | 0.00023 |
| RA ascending node | 3.450 hr |
| Argument perigee | 100.991° |
| Mean anomaly | 259.158° |
| Orbital period | 97.091 min |
| Epoch of osculation | 26 Mar 2026, 09:12 |
Derived Quantities
| Min Altitude | 624.9 km |
| Mean Altitude | 626.5 km |
| Peak Altitude | 628.1 km |
Launched alongside
DELTA 2 R/BOrbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.