Orbital elements of DELTA 1 DEB
| Launched | 11 June 1975 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 21461 |
| 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 Sep 15 17:56 | 2025 Sep 15 06:08:33 | 99.7261 | 0.02046 | 0.5558 | 339.4050 | 47.9451 | 13.20421 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 02:07:05 | 99.7250 | 0.02049 | 23.8034 | 8.1314 | 47.9451 | 13.20421 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 02:07:05 | 99.7250 | 0.02049 | 23.8034 | 8.1314 | 47.9451 | 13.20421 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 02:07:05 | 99.7250 | 0.02049 | 23.8034 | 8.1314 | 47.9451 | 13.20421 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 02:07:05 | 99.7250 | 0.02049 | 23.8034 | 8.1314 | 47.9451 | 13.20421 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 02:07:05 | 99.7250 | 0.02049 | 23.8034 | 8.1314 | 47.9451 | 13.20421 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 02:07:05 | 99.7250 | 0.02049 | 23.8034 | 8.1314 | 47.9451 | 13.20421 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 02:07:05 | 99.7250 | 0.02049 | 23.8034 | 8.1314 | 47.9451 | 13.20421 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 19:02:50 | 99.7246 | 0.02052 | 23.4142 | 22.9866 | 47.9451 | 13.20421 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 19:02:50 | 99.7246 | 0.02052 | 23.4142 | 22.9866 | 47.9451 | 13.20421 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 19:02:50 | 99.7246 | 0.02052 | 23.4142 | 22.9866 | 47.9451 | 13.20421 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 19:02:50 | 99.7246 | 0.02052 | 23.4142 | 22.9866 | 47.9451 | 13.20421 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 19:02:50 | 99.7246 | 0.02052 | 23.4142 | 22.9866 | 47.9451 | 13.20421 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 19:02:50 | 99.7246 | 0.02052 | 23.4142 | 22.9866 | 47.9451 | 13.20421 | – |
| 2025 Aug 27 17:56 | 2025 Aug 20 06:35:27 | 99.7239 | 0.02054 | 22.9493 | 40.7009 | 47.9451 | 13.20421 | – |
| 2025 Aug 26 17:56 | 2025 Aug 20 06:35:27 | 99.7239 | 0.02054 | 22.9493 | 40.7009 | 47.9451 | 13.20421 | – |
| 2025 Aug 25 17:56 | 2025 Aug 20 06:35:27 | 99.7239 | 0.02054 | 22.9493 | 40.7009 | 47.9451 | 13.20421 | – |
| 2025 Aug 24 17:56 | 2025 Aug 20 06:35:27 | 99.7239 | 0.02054 | 22.9493 | 40.7009 | 47.9451 | 13.20421 | – |
| 2025 Aug 23 17:56 | 2025 Aug 20 06:35:27 | 99.7239 | 0.02054 | 22.9493 | 40.7009 | 47.9451 | 13.20421 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 07:15:35 | 99.7237 | 0.02055 | 22.8274 | 45.3454 | 47.9451 | 13.20421 | – |