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 |
| 2025 Dec 16 18:57 | 2025 Dec 12 05:40:18 | 13.0050 | 0.01264 | 21.0216 | 45.6460 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 15 18:58 | 2025 Dec 12 05:40:18 | 13.0050 | 0.01264 | 21.0216 | 45.6460 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 14 18:56 | 2025 Dec 12 05:40:18 | 13.0050 | 0.01264 | 21.0216 | 45.6460 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 13 18:56 | 2025 Dec 12 05:40:18 | 13.0050 | 0.01264 | 21.0216 | 45.6460 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 12 18:57 | 2025 Dec 12 05:40:18 | 13.0050 | 0.01264 | 21.0216 | 45.6460 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 11 18:56 | 2025 Dec 07 05:51:52 | 13.0151 | 0.01256 | 21.0247 | 45.4999 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 10 18:56 | 2025 Dec 07 05:51:52 | 13.0151 | 0.01256 | 21.0247 | 45.4999 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 09 18:56 | 2025 Dec 07 05:51:52 | 13.0151 | 0.01256 | 21.0247 | 45.4999 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 08 18:56 | 2025 Dec 07 05:51:52 | 13.0151 | 0.01256 | 21.0247 | 45.4999 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 07 18:56 | 2025 Dec 07 05:51:52 | 13.0151 | 0.01256 | 21.0247 | 45.4999 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 06 18:56 | 2025 Dec 02 04:20:26 | 13.0258 | 0.01248 | 21.0277 | 45.5593 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 05 18:57 | 2025 Dec 02 04:20:26 | 13.0258 | 0.01248 | 21.0277 | 45.5593 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 04 18:57 | 2025 Dec 02 04:20:26 | 13.0258 | 0.01248 | 21.0277 | 45.5593 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 03 18:56 | 2025 Dec 02 04:20:26 | 13.0258 | 0.01248 | 21.0277 | 45.5593 | 324.2235 | 0.99823 | 5.500 |
| 2025 Dec 02 18:56 | 2025 Dec 02 04:20:26 | 13.0258 | 0.01248 | 21.0277 | 45.5593 | 324.2235 | 0.99823 | 5.500 |
| 2025 Nov 30 18:57 | 2025 Nov 25 03:30:38 | 13.0394 | 0.01241 | 21.0322 | 45.7445 | 324.2235 | 0.99823 | 5.500 |
| 2025 Nov 29 18:56 | 2025 Nov 25 03:30:38 | 13.0394 | 0.01241 | 21.0322 | 45.7445 | 324.2235 | 0.99823 | 5.500 |
| 2025 Nov 28 18:57 | 2025 Nov 25 03:30:38 | 13.0394 | 0.01241 | 21.0322 | 45.7445 | 324.2235 | 0.99823 | 5.500 |
| 2025 Nov 27 18:57 | 2025 Nov 25 03:30:38 | 13.0394 | 0.01241 | 21.0322 | 45.7445 | 324.2235 | 0.99823 | 5.500 |
| 2025 Nov 26 18:57 | 2025 Nov 25 03:30:38 | 13.0394 | 0.01241 | 21.0322 | 45.7445 | 324.2235 | 0.99823 | 5.500 |
| 2025 Nov 25 18:57 | 2025 Nov 25 03:30:38 | 13.0394 | 0.01241 | 21.0322 | 45.7445 | 324.2235 | 0.99823 | 5.500 |
| 2025 Nov 24 18:56 | 2025 Nov 20 04:46:57 | 13.0481 | 0.01238 | 21.0355 | 45.7425 | 324.2235 | 0.99823 | 5.500 |
| 2025 Nov 23 18:57 | 2025 Nov 20 04:46:57 | 13.0481 | 0.01238 | 21.0355 | 45.7425 | 324.2235 | 0.99823 | 5.500 |
| 2025 Nov 21 18:57 | 2025 Nov 20 04:46:57 | 13.0481 | 0.01238 | 21.0355 | 45.7425 | 324.2235 | 0.99823 | 5.500 |
| 2025 Nov 20 18:56 | 2025 Nov 20 04:46:57 | 13.0481 | 0.01238 | 21.0355 | 45.7425 | 324.2235 | 0.99823 | 5.500 |