Orbital elements of USA 121
| Launched | 11 May 1996 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 23908 |
| 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 20 17:57 | 2026 Jul 16 04:16:41 | 63.3177 | 0.08530 | 7.7147 | 49.9327 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 19 19:06 | 2026 Jul 16 04:16:41 | 63.3177 | 0.08530 | 7.7147 | 49.9327 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 19 17:57 | 2026 Jul 16 04:16:41 | 63.3177 | 0.08530 | 7.7147 | 49.9327 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 18 17:57 | 2026 Jul 16 04:16:41 | 63.3177 | 0.08530 | 7.7147 | 49.9327 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 17 17:57 | 2026 Jul 16 04:16:41 | 63.3177 | 0.08530 | 7.7147 | 49.9327 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 16 17:56 | 2026 Jul 16 04:16:41 | 63.3177 | 0.08530 | 7.7147 | 49.9327 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 15 17:57 | 2026 Jul 11 04:50:36 | 63.3178 | 0.08527 | 8.5831 | 49.8487 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 14 17:56 | 2026 Jul 11 04:50:36 | 63.3178 | 0.08527 | 8.5831 | 49.8487 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 13 17:56 | 2026 Jul 11 04:50:36 | 63.3178 | 0.08527 | 8.5831 | 49.8487 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 12 17:56 | 2026 Jul 11 04:50:36 | 63.3178 | 0.08527 | 8.5831 | 49.8487 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 11 17:56 | 2026 Jul 11 04:50:36 | 63.3178 | 0.08527 | 8.5831 | 49.8487 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 09 17:56 | 2026 Jul 04 21:19:10 | 63.3175 | 0.08523 | 9.6849 | 49.7457 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 08 17:56 | 2026 Jul 04 21:19:10 | 63.3175 | 0.08523 | 9.6849 | 49.7457 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 07 17:56 | 2026 Jul 04 21:19:10 | 63.3175 | 0.08523 | 9.6849 | 49.7457 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 06 17:57 | 2026 Jul 04 21:19:10 | 63.3175 | 0.08523 | 9.6849 | 49.7457 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 05 17:56 | 2026 Jul 04 21:19:10 | 63.3175 | 0.08523 | 9.6849 | 49.7457 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 04 17:56 | 2026 Jun 29 07:37:09 | 63.3164 | 0.08520 | 10.6570 | 49.6558 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 03 17:57 | 2026 Jun 29 07:37:09 | 63.3164 | 0.08520 | 10.6570 | 49.6558 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 02 17:56 | 2026 Jun 29 07:37:09 | 63.3164 | 0.08520 | 10.6570 | 49.6558 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jul 01 17:56 | 2026 Jun 29 07:37:09 | 63.3164 | 0.08520 | 10.6570 | 49.6558 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jun 30 17:56 | 2026 Jun 29 07:37:09 | 63.3164 | 0.08520 | 10.6570 | 49.6558 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jun 29 17:57 | 2026 Jun 29 07:37:09 | 63.3164 | 0.08520 | 10.6570 | 49.6558 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jun 28 17:56 | 2026 Jun 22 16:57:30 | 63.3160 | 0.08517 | 11.8105 | 49.5527 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jun 27 17:55 | 2026 Jun 22 16:57:30 | 63.3160 | 0.08517 | 11.8105 | 49.5527 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jun 26 17:56 | 2026 Jun 22 16:57:30 | 63.3160 | 0.08517 | 11.8105 | 49.5527 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jun 25 17:56 | 2026 Jun 22 16:57:30 | 63.3160 | 0.08517 | 11.8105 | 49.5527 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jun 24 17:55 | 2026 Jun 22 16:57:30 | 63.3160 | 0.08517 | 11.8105 | 49.5527 | 317.3393 | 13.46345 | 5.243 |
| 2026 Jun 23 17:56 | 2026 Jun 22 16:57:30 | 63.3160 | 0.08517 | 11.8105 | 49.5527 | 317.3393 | 13.46345 | 5.243 |