Browse satellite catalog
|
Map of low-earth satellites
|
Satellites above your horizon
|
3D map of low-earth satellites
Spacecraft information: USA 23
Launch Details
| Launched | 14 May 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 18009 |
| COSPAR ID | 1987-043E |
| Observing |
Current orbital elements
| Inclination | 63.293° |
| Eccentricity | 0.07998 |
| RA ascending node | 7.080 hr |
| Argument perigee | 102.041° |
| Mean anomaly | 267.135° |
| Orbital period | 104.040 min |
| Epoch of osculation | 31 Dec 2025, 15:14 |
Derived Quantities
| Min Altitude | 370.5 km |
| Mean Altitude | 956.6 km |
| Peak Altitude | 1542.7 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.