Orbital elements of USA 8
| Launched | 23 January 1985 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 15543 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2026 May 25 17:57 | 2026 May 21 13:32:04 | 12.7037 | 0.01325 | 20.9199 | 55.5745 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 24 17:57 | 2026 May 21 13:32:04 | 12.7037 | 0.01325 | 20.9199 | 55.5745 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 23 17:58 | 2026 May 21 13:32:04 | 12.7037 | 0.01325 | 20.9199 | 55.5745 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 22 17:57 | 2026 May 21 13:32:04 | 12.7037 | 0.01325 | 20.9199 | 55.5745 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 21 17:57 | 2026 May 21 13:32:04 | 12.7037 | 0.01325 | 20.9199 | 55.5745 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 20 17:57 | 2026 May 16 12:00:38 | 12.7143 | 0.01326 | 20.9229 | 55.3252 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 19 17:58 | 2026 May 16 12:00:38 | 12.7143 | 0.01326 | 20.9229 | 55.3252 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 18 17:57 | 2026 May 16 12:00:38 | 12.7143 | 0.01326 | 20.9229 | 55.3252 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 17 17:57 | 2026 May 16 12:00:38 | 12.7143 | 0.01326 | 20.9229 | 55.3252 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 16 17:56 | 2026 May 16 12:00:38 | 12.7143 | 0.01326 | 20.9229 | 55.3252 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 15 17:57 | 2026 May 10 10:49:49 | 12.7261 | 0.01331 | 20.9265 | 55.1062 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 14 17:58 | 2026 May 10 10:49:49 | 12.7261 | 0.01331 | 20.9265 | 55.1062 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 13 17:58 | 2026 May 10 10:49:49 | 12.7261 | 0.01331 | 20.9265 | 55.1062 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 12 17:58 | 2026 May 10 10:49:49 | 12.7261 | 0.01331 | 20.9265 | 55.1062 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 11 17:56 | 2026 May 10 10:49:49 | 12.7261 | 0.01331 | 20.9265 | 55.1062 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 10 17:57 | 2026 May 10 10:49:49 | 12.7261 | 0.01331 | 20.9265 | 55.1062 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 09 17:57 | 2026 May 05 11:05:27 | 12.7349 | 0.01336 | 20.9297 | 54.8016 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 08 17:57 | 2026 May 05 11:05:27 | 12.7349 | 0.01336 | 20.9297 | 54.8016 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 07 17:58 | 2026 May 05 11:05:27 | 12.7349 | 0.01336 | 20.9297 | 54.8016 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 06 17:57 | 2026 May 05 11:05:27 | 12.7349 | 0.01336 | 20.9297 | 54.8016 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 05 17:57 | 2026 May 05 11:05:27 | 12.7349 | 0.01336 | 20.9297 | 54.8016 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 04 17:57 | 2026 Apr 30 11:20:31 | 12.7435 | 0.01341 | 20.9330 | 54.3374 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 03 17:57 | 2026 Apr 30 11:20:31 | 12.7435 | 0.01341 | 20.9330 | 54.3374 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 02 17:57 | 2026 Apr 30 11:20:31 | 12.7435 | 0.01341 | 20.9330 | 54.3374 | 326.8433 | 0.99806 | 5.500 |
| 2026 May 01 17:56 | 2026 Apr 30 11:20:31 | 12.7435 | 0.01341 | 20.9330 | 54.3374 | 326.8433 | 0.99806 | 5.500 |
| 2026 Apr 30 17:56 | 2026 Apr 30 11:20:31 | 12.7435 | 0.01341 | 20.9330 | 54.3374 | 326.8433 | 0.99806 | 5.500 |
| 2026 Apr 29 17:57 | 2026 Apr 24 11:38:49 | 12.7549 | 0.01343 | 20.9368 | 53.7475 | 326.8433 | 0.99806 | 5.500 |
| 2026 Apr 28 17:56 | 2026 Apr 24 11:38:49 | 12.7549 | 0.01343 | 20.9368 | 53.7475 | 326.8433 | 0.99806 | 5.500 |