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 Apr 05 17:56 | 2026 Apr 02 05:09:54 | 63.3229 | 0.08477 | 2.0254 | 48.3044 | 318.7421 | 13.46009 | 5.243 |
| 2026 Apr 04 17:57 | 2026 Apr 02 05:09:54 | 63.3229 | 0.08477 | 2.0254 | 48.3044 | 318.7421 | 13.46009 | 5.243 |
| 2026 Apr 03 17:56 | 2026 Apr 02 05:09:54 | 63.3229 | 0.08477 | 2.0254 | 48.3044 | 318.7421 | 13.46009 | 5.243 |
| 2026 Apr 02 18:03 | 2026 Apr 02 05:09:54 | 63.3229 | 0.08477 | 2.0254 | 48.3044 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 31 17:57 | 2026 Mar 26 07:20:20 | 63.3210 | 0.08474 | 3.2302 | 48.1982 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 30 17:58 | 2026 Mar 26 07:20:20 | 63.3210 | 0.08474 | 3.2302 | 48.1982 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 29 17:57 | 2026 Mar 26 07:20:20 | 63.3210 | 0.08474 | 3.2302 | 48.1982 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 28 18:57 | 2026 Mar 26 07:20:20 | 63.3210 | 0.08474 | 3.2302 | 48.1982 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 27 18:57 | 2026 Mar 26 07:20:20 | 63.3210 | 0.08474 | 3.2302 | 48.1982 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 26 18:57 | 2026 Mar 26 07:20:20 | 63.3210 | 0.08474 | 3.2302 | 48.1982 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 25 18:56 | 2026 Mar 20 08:41:19 | 63.3198 | 0.08471 | 4.2665 | 48.1030 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 24 18:56 | 2026 Mar 20 08:41:19 | 63.3198 | 0.08471 | 4.2665 | 48.1030 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 23 18:56 | 2026 Mar 20 08:41:19 | 63.3198 | 0.08471 | 4.2665 | 48.1030 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 22 18:56 | 2026 Mar 20 08:41:19 | 63.3198 | 0.08471 | 4.2665 | 48.1030 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 21 19:05 | 2026 Mar 20 08:41:19 | 63.3198 | 0.08471 | 4.2665 | 48.1030 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 20 18:57 | 2026 Mar 20 08:41:19 | 63.3198 | 0.08471 | 4.2665 | 48.1030 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 19 18:56 | 2026 Mar 15 11:00:00 | 63.3189 | 0.08469 | 5.1216 | 48.0270 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 18 18:56 | 2026 Mar 15 11:00:00 | 63.3189 | 0.08469 | 5.1216 | 48.0270 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 17 18:56 | 2026 Mar 15 11:00:00 | 63.3189 | 0.08469 | 5.1216 | 48.0270 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 16 18:57 | 2026 Mar 15 11:00:00 | 63.3189 | 0.08469 | 5.1216 | 48.0270 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 15 18:56 | 2026 Mar 15 11:00:00 | 63.3189 | 0.08469 | 5.1216 | 48.0270 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 14 18:56 | 2026 Mar 10 09:44:35 | 63.3190 | 0.08467 | 6.0025 | 47.9454 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 13 18:57 | 2026 Mar 10 09:44:35 | 63.3190 | 0.08467 | 6.0025 | 47.9454 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 12 18:57 | 2026 Mar 10 09:44:35 | 63.3190 | 0.08467 | 6.0025 | 47.9454 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 11 18:56 | 2026 Mar 10 09:44:35 | 63.3190 | 0.08467 | 6.0025 | 47.9454 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 10 18:56 | 2026 Mar 10 09:44:35 | 63.3190 | 0.08467 | 6.0025 | 47.9454 | 318.7421 | 13.46009 | 5.243 |
| 2026 Mar 09 18:56 | 2026 Mar 04 12:52:08 | 63.3191 | 0.08464 | 7.0258 | 47.8528 | 318.7421 | 13.46009 | 5.243 |