Browse satellite catalog
|
Map of low-earth satellites
|
Satellites above your horizon
|
3D map of low-earth satellites
ATLAS H R/B
Launch Details
| Launched | 14 May 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 17998 |
| COSPAR ID | 1987-043B |
| Observing |
Current orbital elements
| Inclination | 63.315° |
| Eccentricity | 0.07186 |
| RA ascending node | 17.740 hr |
| Argument perigee | 113.558° |
| Mean anomaly | 254.259° |
| Orbital period | 106.632 min |
| Epoch of osculation | 03 Sep 2025, 04:08 |
Derived Quantities
| Min Altitude | 542.5 km |
| Mean Altitude | 1077.8 km |
| Peak Altitude | 1613.0 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.