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 Feb 05 18:58 | 2026 Feb 01 20:22:22 | 63.3195 | 0.08446 | 12.3747 | 47.3712 | 319.5443 | 13.45791 | 5.243 |
| 2026 Feb 04 18:57 | 2026 Feb 01 20:22:22 | 63.3195 | 0.08446 | 12.3747 | 47.3712 | 319.5443 | 13.45791 | 5.243 |
| 2026 Feb 03 18:56 | 2026 Feb 01 20:22:22 | 63.3195 | 0.08446 | 12.3747 | 47.3712 | 319.5443 | 13.45791 | 5.243 |
| 2026 Feb 02 18:56 | 2026 Feb 01 20:22:22 | 63.3195 | 0.08446 | 12.3747 | 47.3712 | 319.5443 | 13.45791 | 5.243 |
| 2026 Feb 01 18:56 | 2026 Jan 26 21:42:20 | 63.3187 | 0.08442 | 13.4107 | 47.2832 | 319.5443 | 13.45791 | 5.243 |
| 2026 Jan 31 18:56 | 2026 Jan 26 21:42:20 | 63.3187 | 0.08442 | 13.4107 | 47.2832 | 319.5443 | 13.45791 | 5.243 |
| 2026 Jan 30 18:57 | 2026 Jan 26 21:42:20 | 63.3187 | 0.08442 | 13.4107 | 47.2832 | 319.5443 | 13.45791 | 5.243 |
| 2026 Jan 29 18:56 | 2026 Jan 26 21:42:20 | 63.3187 | 0.08442 | 13.4107 | 47.2832 | 319.5443 | 13.45791 | 5.243 |
| 2026 Jan 28 18:56 | 2026 Jan 26 21:42:20 | 63.3187 | 0.08442 | 13.4107 | 47.2832 | 319.5443 | 13.45791 | 5.243 |
| 2026 Jan 27 18:56 | 2026 Jan 21 22:13:14 | 63.3187 | 0.08440 | 14.2784 | 47.2084 | 319.5443 | 13.45791 | 5.243 |
| 2026 Jan 26 18:57 | 2026 Jan 21 22:13:14 | 63.3187 | 0.08440 | 14.2784 | 47.2084 | 319.5443 | 13.45791 | 5.243 |
| 2026 Jan 25 18:57 | 2026 Jan 21 22:13:14 | 63.3187 | 0.08440 | 14.2784 | 47.2084 | 319.5443 | 13.45791 | 5.243 |
| 2026 Jan 24 18:58 | 2026 Jan 21 22:13:14 | 63.3187 | 0.08440 | 14.2784 | 47.2084 | 319.5443 | 13.45791 | 5.243 |
| 2026 Jan 22 18:56 | 2026 Jan 21 22:13:14 | 63.3187 | 0.08440 | 14.2784 | 47.2084 | 319.5443 | 13.45791 | 5.243 |