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 Mar 17 18:56 | 2026 Mar 14 20:31:21 | 12.8312 | 0.01348 | 20.9620 | 50.7985 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 16 18:57 | 2026 Mar 14 20:31:21 | 12.8312 | 0.01348 | 20.9620 | 50.7985 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 15 18:56 | 2026 Mar 14 20:31:21 | 12.8312 | 0.01348 | 20.9620 | 50.7985 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 14 18:56 | 2026 Mar 09 22:13:02 | 12.8398 | 0.01349 | 20.9652 | 50.3882 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 13 18:57 | 2026 Mar 09 22:13:02 | 12.8398 | 0.01349 | 20.9652 | 50.3882 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 12 18:57 | 2026 Mar 09 22:13:02 | 12.8398 | 0.01349 | 20.9652 | 50.3882 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 11 18:56 | 2026 Mar 09 22:13:02 | 12.8398 | 0.01349 | 20.9652 | 50.3882 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 10 18:56 | 2026 Mar 09 22:13:02 | 12.8398 | 0.01349 | 20.9652 | 50.3882 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 09 18:56 | 2026 Mar 01 21:07:51 | 12.8541 | 0.01346 | 20.9704 | 49.5587 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 08 18:57 | 2026 Mar 01 21:07:51 | 12.8541 | 0.01346 | 20.9704 | 49.5587 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 07 18:57 | 2026 Mar 01 21:07:51 | 12.8541 | 0.01346 | 20.9704 | 49.5587 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 06 18:56 | 2026 Mar 01 21:07:51 | 12.8541 | 0.01346 | 20.9704 | 49.5587 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 05 18:56 | 2026 Mar 01 21:07:51 | 12.8541 | 0.01346 | 20.9704 | 49.5587 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 04 18:57 | 2026 Mar 01 21:07:51 | 12.8541 | 0.01346 | 20.9704 | 49.5587 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 03 18:56 | 2026 Feb 26 07:34:28 | 12.8611 | 0.01343 | 20.9726 | 49.2669 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 02 18:57 | 2026 Feb 26 07:34:28 | 12.8611 | 0.01343 | 20.9726 | 49.2669 | 120.6483 | 0.99820 | 5.500 |
| 2026 Mar 01 18:57 | 2026 Feb 26 07:34:28 | 12.8611 | 0.01343 | 20.9726 | 49.2669 | 120.6483 | 0.99820 | 5.500 |
| 2026 Feb 28 18:56 | 2026 Feb 26 07:34:28 | 12.8611 | 0.01343 | 20.9726 | 49.2669 | 120.6483 | 0.99820 | 5.500 |
| 2026 Feb 27 19:05 | 2026 Feb 26 07:34:28 | 12.8611 | 0.01343 | 20.9726 | 49.2669 | 120.6483 | 0.99820 | 5.500 |
| 2026 Feb 26 20:45 | 2026 Feb 26 07:34:28 | 12.8611 | 0.01343 | 20.9726 | 49.2669 | 120.6483 | 0.99820 | 5.500 |