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 | 21278 |
| 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 Aug 29 17:56 | 2025 Aug 27 18:07:24 | 99.8022 | 0.03898 | 4.4926 | 151.7950 | 276.0799 | 12.77476 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 18:07:24 | 99.8022 | 0.03898 | 4.4926 | 151.7950 | 276.0799 | 12.77476 | – |
| 2025 Aug 27 17:56 | 2025 Aug 22 10:19:41 | 99.8021 | 0.03897 | 4.1847 | 163.4020 | 276.0799 | 12.77476 | – |
| 2025 Aug 26 17:56 | 2025 Aug 22 10:19:41 | 99.8021 | 0.03897 | 4.1847 | 163.4020 | 276.0799 | 12.77476 | – |
| 2025 Aug 25 17:56 | 2025 Aug 22 10:19:41 | 99.8021 | 0.03897 | 4.1847 | 163.4020 | 276.0799 | 12.77476 | – |
| 2025 Aug 24 17:56 | 2025 Aug 22 10:19:41 | 99.8021 | 0.03897 | 4.1847 | 163.4020 | 276.0799 | 12.77476 | – |
| 2025 Aug 23 17:56 | 2025 Aug 22 10:19:41 | 99.8021 | 0.03897 | 4.1847 | 163.4020 | 276.0799 | 12.77476 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 10:26:03 | 99.8020 | 0.03896 | 3.9536 | 172.1139 | 276.0799 | 12.77476 | – |
| 2025 Aug 20 17:56 | 2025 Aug 18 10:26:03 | 99.8020 | 0.03896 | 3.9536 | 172.1139 | 276.0799 | 12.77476 | – |
| 2025 Aug 19 17:56 | 2025 Aug 18 10:26:03 | 99.8020 | 0.03896 | 3.9536 | 172.1139 | 276.0799 | 12.77476 | – |
| 2025 Aug 18 17:56 | 2025 Aug 18 10:26:03 | 99.8020 | 0.03896 | 3.9536 | 172.1139 | 276.0799 | 12.77476 | – |
| 2025 Aug 16 17:56 | 2025 Aug 12 00:46:33 | 99.8019 | 0.03894 | 3.5834 | 186.0804 | 276.0799 | 12.77476 | – |
| 2025 Aug 15 17:57 | 2025 Aug 12 00:46:33 | 99.8019 | 0.03894 | 3.5834 | 186.0804 | 276.0799 | 12.77476 | – |
| 2025 Aug 14 17:56 | 2025 Aug 12 00:46:33 | 99.8019 | 0.03894 | 3.5834 | 186.0804 | 276.0799 | 12.77476 | – |
| 2025 Aug 13 17:58 | 2025 Aug 12 00:46:33 | 99.8019 | 0.03894 | 3.5834 | 186.0804 | 276.0799 | 12.77476 | – |
| 2025 Aug 12 17:56 | 2025 Aug 12 00:46:33 | 99.8019 | 0.03894 | 3.5834 | 186.0804 | 276.0799 | 12.77476 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 18:23:04 | 99.8017 | 0.03893 | 3.2789 | 197.5707 | 276.0799 | 12.77476 | – |
| 2025 Aug 10 17:57 | 2025 Aug 06 18:23:04 | 99.8017 | 0.03893 | 3.2789 | 197.5707 | 276.0799 | 12.77476 | – |
| 2025 Aug 09 17:56 | 2025 Aug 06 18:23:04 | 99.8017 | 0.03893 | 3.2789 | 197.5707 | 276.0799 | 12.77476 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 18:23:04 | 99.8017 | 0.03893 | 3.2789 | 197.5707 | 276.0799 | 12.77476 | – |
| 2025 Aug 07 17:56 | 2025 Aug 06 18:23:04 | 99.8017 | 0.03893 | 3.2789 | 197.5707 | 276.0799 | 12.77476 | – |
| 2025 Aug 05 17:56 | 2025 Aug 01 01:29:32 | 99.8019 | 0.03891 | 2.9491 | 210.0196 | 276.0799 | 12.77476 | – |
| 2025 Aug 04 17:56 | 2025 Aug 01 01:29:32 | 99.8019 | 0.03891 | 2.9491 | 210.0196 | 276.0799 | 12.77476 | – |
| 2025 Aug 03 17:56 | 2025 Aug 01 01:29:32 | 99.8019 | 0.03891 | 2.9491 | 210.0196 | 276.0799 | 12.77476 | – |
| 2025 Aug 02 17:56 | 2025 Aug 01 01:29:32 | 99.8019 | 0.03891 | 2.9491 | 210.0196 | 276.0799 | 12.77476 | – |