USA 18
Where USA 18 is right now, live on the spacedomain.eu globe, with its orbit and the source and age of its orbit data. Computed in your browser with Simplified General Perturbations (SGP4) from the newest public element set we hold. Free, no account needed.
| NORAD catalogue number | 16631 |
|---|---|
| International designator (COSPAR ID) | 1986-014H |
| Object type | Satellite |
| Country of origin | United States |
| Launch date | 1986-02-09 |
| Orbital regime | Low Earth orbit (LEO) |
| Perigee altitude | 375 km |
| Apogee altitude | 1,453 km |
| Inclination | 63.30° |
| Orbital period | 103.3 minutes |
| Element set epoch | 2026-11-05 08:15 UTC |
| Orbit data source | Space-Track |
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Contains data from USSPACECOM, via www.space-track.org.