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 | 21523 |
| 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 Jun 14 17:57 | 2026 Jun 10 15:17:45 | 99.5606 | 0.07167 | 12.5133 | 109.7779 | 15.0176 | 12.06106 | – |
| 2026 Jun 13 17:56 | 2026 Jun 10 15:17:45 | 99.5606 | 0.07167 | 12.5133 | 109.7779 | 15.0176 | 12.06106 | – |
| 2026 Jun 12 17:56 | 2026 Jun 10 15:17:45 | 99.5606 | 0.07167 | 12.5133 | 109.7779 | 15.0176 | 12.06106 | – |
| 2026 Jun 11 17:57 | 2026 Jun 01 01:50:15 | 99.5615 | 0.07166 | 12.0381 | 128.2670 | 15.0176 | 12.06106 | – |
| 2026 Jun 10 17:56 | 2026 Jun 01 01:50:15 | 99.5615 | 0.07166 | 12.0381 | 128.2670 | 15.0176 | 12.06106 | – |
| 2026 Jun 09 17:57 | 2026 Jun 01 01:50:15 | 99.5615 | 0.07166 | 12.0381 | 128.2670 | 15.0176 | 12.06106 | – |
| 2026 Jun 08 17:56 | 2026 Jun 01 01:50:15 | 99.5615 | 0.07166 | 12.0381 | 128.2670 | 15.0176 | 12.06106 | – |
| 2026 Jun 07 17:56 | 2026 Jun 01 01:50:15 | 99.5615 | 0.07166 | 12.0381 | 128.2670 | 15.0176 | 12.06106 | – |
| 2026 Jun 06 17:56 | 2026 May 31 12:35:20 | 99.5615 | 0.07166 | 12.0106 | 129.3430 | 15.0176 | 12.06106 | – |
| 2026 Jun 05 17:56 | 2026 May 31 12:35:20 | 99.5615 | 0.07166 | 12.0106 | 129.3430 | 15.0176 | 12.06106 | – |
| 2026 Jun 04 17:57 | 2026 May 31 12:35:20 | 99.5615 | 0.07166 | 12.0106 | 129.3430 | 15.0176 | 12.06106 | – |
| 2026 Jun 02 17:56 | 2026 May 31 12:35:20 | 99.5615 | 0.07166 | 12.0106 | 129.3430 | 15.0176 | 12.06106 | – |
| 2026 Jun 01 17:57 | 2026 May 31 12:35:20 | 99.5615 | 0.07166 | 12.0106 | 129.3430 | 15.0176 | 12.06106 | – |
| 2026 May 31 17:58 | 2026 May 31 12:35:20 | 99.5615 | 0.07166 | 12.0106 | 129.3430 | 15.0176 | 12.06106 | – |
| 2026 May 30 17:57 | 2026 May 25 00:39:15 | 99.5623 | 0.07165 | 11.6876 | 141.8908 | 15.0176 | 12.06106 | – |
| 2026 May 29 17:57 | 2026 May 25 00:39:15 | 99.5623 | 0.07165 | 11.6876 | 141.8908 | 15.0176 | 12.06106 | – |
| 2026 May 28 17:56 | 2026 May 25 00:39:15 | 99.5623 | 0.07165 | 11.6876 | 141.8908 | 15.0176 | 12.06106 | – |
| 2026 May 27 17:57 | 2026 May 25 00:39:15 | 99.5623 | 0.07165 | 11.6876 | 141.8908 | 15.0176 | 12.06106 | – |
| 2026 May 26 17:57 | 2026 May 25 00:39:15 | 99.5623 | 0.07165 | 11.6876 | 141.8908 | 15.0176 | 12.06106 | – |
| 2026 May 25 17:57 | 2026 May 21 13:40:58 | 99.5629 | 0.07165 | 11.5157 | 148.5784 | 15.0176 | 12.06106 | – |
| 2026 May 24 17:57 | 2026 May 21 13:40:58 | 99.5629 | 0.07165 | 11.5157 | 148.5784 | 15.0176 | 12.06106 | – |
| 2026 May 23 17:58 | 2026 May 21 13:40:58 | 99.5629 | 0.07165 | 11.5157 | 148.5784 | 15.0176 | 12.06106 | – |
| 2026 May 22 17:57 | 2026 May 21 13:40:58 | 99.5629 | 0.07165 | 11.5157 | 148.5784 | 15.0176 | 12.06106 | – |
| 2026 May 21 17:57 | 2026 May 21 13:40:58 | 99.5629 | 0.07165 | 11.5157 | 148.5784 | 15.0176 | 12.06106 | – |
| 2026 May 20 17:57 | 2026 May 16 14:14:22 | 99.5636 | 0.07163 | 11.2683 | 158.1775 | 15.0176 | 12.06106 | – |
| 2026 May 19 17:58 | 2026 May 16 14:14:22 | 99.5636 | 0.07163 | 11.2683 | 158.1775 | 15.0176 | 12.06106 | – |
| 2026 May 18 17:57 | 2026 May 16 14:14:22 | 99.5636 | 0.07163 | 11.2683 | 158.1775 | 15.0176 | 12.06106 | – |