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 Jun 03 17:57 | 2025 Jun 01 07:48:56 | 63.3246 | 0.08319 | 7.1166 | 43.6872 | 322.7016 | 13.44840 | 5.243 |
| 2025 Jun 02 17:58 | 2025 Jun 01 07:48:56 | 63.3246 | 0.08319 | 7.1166 | 43.6872 | 322.7016 | 13.44840 | 5.243 |
| 2025 Jun 01 17:56 | 2025 Jun 01 07:48:56 | 63.3246 | 0.08319 | 7.1166 | 43.6872 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 31 17:56 | 2025 May 25 15:12:01 | 63.3233 | 0.08316 | 8.2804 | 43.5818 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 30 17:56 | 2025 May 25 15:12:01 | 63.3233 | 0.08316 | 8.2804 | 43.5818 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 29 17:56 | 2025 May 25 15:12:01 | 63.3233 | 0.08316 | 8.2804 | 43.5818 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 28 17:56 | 2025 May 25 15:12:01 | 63.3233 | 0.08316 | 8.2804 | 43.5818 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 27 17:57 | 2025 May 25 15:12:01 | 63.3233 | 0.08316 | 8.2804 | 43.5818 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 26 17:56 | 2025 May 25 15:12:01 | 63.3233 | 0.08316 | 8.2804 | 43.5818 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 25 17:56 | 2025 May 21 09:28:31 | 63.3232 | 0.08313 | 9.0174 | 43.5178 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 24 17:57 | 2025 May 21 09:28:31 | 63.3232 | 0.08313 | 9.0174 | 43.5178 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 23 17:56 | 2025 May 21 09:28:31 | 63.3232 | 0.08313 | 9.0174 | 43.5178 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 22 17:56 | 2025 May 21 09:28:31 | 63.3232 | 0.08313 | 9.0174 | 43.5178 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 21 17:56 | 2025 May 21 09:28:31 | 63.3232 | 0.08313 | 9.0174 | 43.5178 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 20 17:56 | 2025 May 15 08:55:01 | 63.3230 | 0.08310 | 10.0648 | 43.4271 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 19 17:56 | 2025 May 15 08:55:01 | 63.3230 | 0.08310 | 10.0648 | 43.4271 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 18 17:57 | 2025 May 15 08:55:01 | 63.3230 | 0.08310 | 10.0648 | 43.4271 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 17 17:57 | 2025 May 15 08:55:01 | 63.3230 | 0.08310 | 10.0648 | 43.4271 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 16 17:56 | 2025 May 15 08:55:01 | 63.3230 | 0.08310 | 10.0648 | 43.4271 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 15 17:57 | 2025 May 15 08:55:01 | 63.3230 | 0.08310 | 10.0648 | 43.4271 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 14 17:56 | 2025 May 09 11:55:32 | 63.3235 | 0.08307 | 11.0862 | 43.3413 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 13 17:56 | 2025 May 09 11:55:32 | 63.3235 | 0.08307 | 11.0862 | 43.3413 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 12 17:56 | 2025 May 09 11:55:32 | 63.3235 | 0.08307 | 11.0862 | 43.3413 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 11 17:56 | 2025 May 09 11:55:32 | 63.3235 | 0.08307 | 11.0862 | 43.3413 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 10 17:56 | 2025 May 09 11:55:32 | 63.3235 | 0.08307 | 11.0862 | 43.3413 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 09 17:57 | 2025 May 09 11:55:32 | 63.3235 | 0.08307 | 11.0862 | 43.3413 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 08 17:56 | 2025 May 03 14:55:58 | 63.3247 | 0.08303 | 12.1076 | 43.2559 | 322.7016 | 13.44840 | 5.243 |
| 2025 May 07 17:56 | 2025 May 03 14:55:58 | 63.3247 | 0.08303 | 12.1076 | 43.2559 | 322.7016 | 13.44840 | 5.243 |