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 Jul 25 17:57 | 2026 Jul 21 03:33:07 | 12.5903 | 0.01262 | 20.8811 | 58.0498 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 24 17:56 | 2026 Jul 21 03:33:07 | 12.5903 | 0.01262 | 20.8811 | 58.0498 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 23 17:57 | 2026 Jul 21 03:33:07 | 12.5903 | 0.01262 | 20.8811 | 58.0498 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 22 17:57 | 2026 Jul 21 03:33:07 | 12.5903 | 0.01262 | 20.8811 | 58.0498 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 21 17:57 | 2026 Jul 21 03:33:07 | 12.5903 | 0.01262 | 20.8811 | 58.0498 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 20 17:57 | 2026 Jul 15 13:09:38 | 12.6012 | 0.01267 | 20.8847 | 57.8043 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 19 19:06 | 2026 Jul 15 13:09:38 | 12.6012 | 0.01267 | 20.8847 | 57.8043 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 19 17:57 | 2026 Jul 15 13:09:38 | 12.6012 | 0.01267 | 20.8847 | 57.8043 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 18 17:57 | 2026 Jul 15 13:09:38 | 12.6012 | 0.01267 | 20.8847 | 57.8043 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 17 17:57 | 2026 Jul 15 13:09:38 | 12.6012 | 0.01267 | 20.8847 | 57.8043 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 16 17:56 | 2026 Jul 15 13:09:38 | 12.6012 | 0.01267 | 20.8847 | 57.8043 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 15 17:57 | 2026 Jul 11 02:25:38 | 12.6104 | 0.01270 | 20.8874 | 57.7371 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 14 17:56 | 2026 Jul 11 02:25:38 | 12.6104 | 0.01270 | 20.8874 | 57.7371 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 13 17:56 | 2026 Jul 11 02:25:38 | 12.6104 | 0.01270 | 20.8874 | 57.7371 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 12 17:56 | 2026 Jul 11 02:25:38 | 12.6104 | 0.01270 | 20.8874 | 57.7371 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 11 17:56 | 2026 Jul 11 02:25:38 | 12.6104 | 0.01270 | 20.8874 | 57.7371 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 09 17:56 | 2026 Jul 05 02:43:31 | 12.6216 | 0.01277 | 20.8912 | 57.7678 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 08 17:56 | 2026 Jul 05 02:43:31 | 12.6216 | 0.01277 | 20.8912 | 57.7678 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 07 17:56 | 2026 Jul 05 02:43:31 | 12.6216 | 0.01277 | 20.8912 | 57.7678 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 06 17:57 | 2026 Jul 05 02:43:31 | 12.6216 | 0.01277 | 20.8912 | 57.7678 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 05 17:56 | 2026 Jul 05 02:43:31 | 12.6216 | 0.01277 | 20.8912 | 57.7678 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 04 17:56 | 2026 Jun 29 05:34:38 | 12.6317 | 0.01286 | 20.8951 | 57.6513 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 03 17:57 | 2026 Jun 29 05:34:38 | 12.6317 | 0.01286 | 20.8951 | 57.6513 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 02 17:56 | 2026 Jun 29 05:34:38 | 12.6317 | 0.01286 | 20.8951 | 57.6513 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jul 01 17:56 | 2026 Jun 29 05:34:38 | 12.6317 | 0.01286 | 20.8951 | 57.6513 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jun 30 17:56 | 2026 Jun 29 05:34:38 | 12.6317 | 0.01286 | 20.8951 | 57.6513 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jun 29 17:57 | 2026 Jun 29 05:34:38 | 12.6317 | 0.01286 | 20.8951 | 57.6513 | 135.1982 | 0.99823 | 5.500 |
| 2026 Jun 28 17:56 | 2026 Jun 22 13:42:21 | 12.6432 | 0.01295 | 20.8996 | 57.2610 | 135.1982 | 0.99823 | 5.500 |