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 | 21565 |
| 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 13 17:37:53 | 99.8199 | 0.03681 | 3.8106 | 212.1816 | 158.3246 | 12.81277 | – |
| 2025 Sep 12 17:57 | 2025 Sep 02 05:11:31 | 99.8174 | 0.03670 | 3.1389 | 237.2895 | 158.3246 | 12.81277 | – |
| 2025 Sep 11 17:57 | 2025 Sep 02 05:11:31 | 99.8174 | 0.03670 | 3.1389 | 237.2895 | 158.3246 | 12.81277 | – |
| 2025 Sep 10 17:56 | 2025 Sep 02 05:11:31 | 99.8174 | 0.03670 | 3.1389 | 237.2895 | 158.3246 | 12.81277 | – |
| 2025 Sep 08 17:57 | 2025 Sep 02 05:11:31 | 99.8174 | 0.03670 | 3.1389 | 237.2895 | 158.3246 | 12.81277 | – |
| 2025 Sep 07 17:56 | 2025 Sep 02 05:11:31 | 99.8174 | 0.03670 | 3.1389 | 237.2895 | 158.3246 | 12.81277 | – |
| 2025 Sep 06 20:41 | 2025 Sep 02 05:11:31 | 99.8174 | 0.03670 | 3.1389 | 237.2895 | 158.3246 | 12.81277 | – |
| 2025 Sep 03 17:57 | 2025 Sep 02 05:11:31 | 99.8174 | 0.03670 | 3.1389 | 237.2895 | 158.3246 | 12.81277 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 17:10:15 | 99.8166 | 0.03663 | 2.8182 | 249.3286 | 158.3246 | 12.81277 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 17:10:15 | 99.8166 | 0.03663 | 2.8182 | 249.3286 | 158.3246 | 12.81277 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 17:10:15 | 99.8166 | 0.03663 | 2.8182 | 249.3286 | 158.3246 | 12.81277 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 17:10:15 | 99.8166 | 0.03663 | 2.8182 | 249.3286 | 158.3246 | 12.81277 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 17:10:15 | 99.8166 | 0.03663 | 2.8182 | 249.3286 | 158.3246 | 12.81277 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 17:10:15 | 99.8166 | 0.03663 | 2.8182 | 249.3286 | 158.3246 | 12.81277 | – |
| 2025 Aug 27 17:56 | 2025 Aug 22 04:54:11 | 99.8155 | 0.03656 | 2.4969 | 261.4240 | 158.3246 | 12.81277 | – |
| 2025 Aug 26 17:56 | 2025 Aug 22 04:54:11 | 99.8155 | 0.03656 | 2.4969 | 261.4240 | 158.3246 | 12.81277 | – |
| 2025 Aug 25 17:56 | 2025 Aug 22 04:54:11 | 99.8155 | 0.03656 | 2.4969 | 261.4240 | 158.3246 | 12.81277 | – |
| 2025 Aug 24 17:56 | 2025 Aug 22 04:54:11 | 99.8155 | 0.03656 | 2.4969 | 261.4240 | 158.3246 | 12.81277 | – |
| 2025 Aug 23 17:56 | 2025 Aug 22 04:54:11 | 99.8155 | 0.03656 | 2.4969 | 261.4240 | 158.3246 | 12.81277 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 04:58:06 | 99.8148 | 0.03650 | 2.2057 | 272.4207 | 158.3246 | 12.81277 | – |