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 |
| 2025 Dec 23 18:56 | 2025 Dec 20 14:24:41 | 63.3232 | 0.08424 | 19.9109 | 46.7355 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 22 18:57 | 2025 Dec 20 14:24:41 | 63.3232 | 0.08424 | 19.9109 | 46.7355 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 21 18:57 | 2025 Dec 20 14:24:41 | 63.3232 | 0.08424 | 19.9109 | 46.7355 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 20 18:57 | 2025 Dec 20 14:24:41 | 63.3232 | 0.08424 | 19.9109 | 46.7355 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 19 18:57 | 2025 Dec 12 06:38:47 | 63.3235 | 0.08420 | 21.3609 | 46.6141 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 18 18:57 | 2025 Dec 12 06:38:47 | 63.3235 | 0.08420 | 21.3609 | 46.6141 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 17 18:58 | 2025 Dec 12 06:38:47 | 63.3235 | 0.08420 | 21.3609 | 46.6141 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 16 18:57 | 2025 Dec 12 06:38:47 | 63.3235 | 0.08420 | 21.3609 | 46.6141 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 15 18:58 | 2025 Dec 12 06:38:47 | 63.3235 | 0.08420 | 21.3609 | 46.6141 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:38:47 | 63.3235 | 0.08420 | 21.3609 | 46.6141 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:38:47 | 63.3235 | 0.08420 | 21.3609 | 46.6141 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:38:47 | 63.3235 | 0.08420 | 21.3609 | 46.6141 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 11 18:56 | 2025 Dec 07 00:00:24 | 63.3235 | 0.08417 | 22.2801 | 46.5383 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 10 18:56 | 2025 Dec 07 00:00:24 | 63.3235 | 0.08417 | 22.2801 | 46.5383 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 09 18:56 | 2025 Dec 07 00:00:24 | 63.3235 | 0.08417 | 22.2801 | 46.5383 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 08 18:56 | 2025 Dec 07 00:00:24 | 63.3235 | 0.08417 | 22.2801 | 46.5383 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 07 18:56 | 2025 Dec 07 00:00:24 | 63.3235 | 0.08417 | 22.2801 | 46.5383 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 06 18:56 | 2025 Dec 02 09:25:04 | 63.3230 | 0.08416 | 23.0827 | 46.4679 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 05 18:57 | 2025 Dec 02 09:25:04 | 63.3230 | 0.08416 | 23.0827 | 46.4679 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 04 18:57 | 2025 Dec 02 09:25:04 | 63.3230 | 0.08416 | 23.0827 | 46.4679 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 09:25:04 | 63.3230 | 0.08416 | 23.0827 | 46.4679 | 320.0896 | 13.45591 | 5.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 09:25:04 | 63.3230 | 0.08416 | 23.0827 | 46.4679 | 320.0896 | 13.45591 | 5.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:31:56 | 63.3235 | 0.08412 | 0.2866 | 46.3647 | 320.0896 | 13.45591 | 5.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:31:56 | 63.3235 | 0.08412 | 0.2866 | 46.3647 | 320.0896 | 13.45591 | 5.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:31:56 | 63.3235 | 0.08412 | 0.2866 | 46.3647 | 320.0896 | 13.45591 | 5.243 |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:31:56 | 63.3235 | 0.08412 | 0.2866 | 46.3647 | 320.0896 | 13.45591 | 5.243 |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:31:56 | 63.3235 | 0.08412 | 0.2866 | 46.3647 | 320.0896 | 13.45591 | 5.243 |