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 | 21501 |
| 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 14 19:27:58 | 99.7964 | 0.05516 | 13.1220 | 44.4141 | 11.0836 | 12.47705 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 06:51:43 | 99.7947 | 0.05512 | 12.4896 | 68.2103 | 11.0836 | 12.47705 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 06:51:43 | 99.7947 | 0.05512 | 12.4896 | 68.2103 | 11.0836 | 12.47705 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 06:51:43 | 99.7947 | 0.05512 | 12.4896 | 68.2103 | 11.0836 | 12.47705 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 06:51:43 | 99.7947 | 0.05512 | 12.4896 | 68.2103 | 11.0836 | 12.47705 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 06:51:43 | 99.7947 | 0.05512 | 12.4896 | 68.2103 | 11.0836 | 12.47705 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 06:51:43 | 99.7947 | 0.05512 | 12.4896 | 68.2103 | 11.0836 | 12.47705 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 06:51:43 | 99.7947 | 0.05512 | 12.4896 | 68.2103 | 11.0836 | 12.47705 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 18:30:52 | 99.7941 | 0.05510 | 12.1322 | 81.6692 | 11.0836 | 12.47705 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 18:30:52 | 99.7941 | 0.05510 | 12.1322 | 81.6692 | 11.0836 | 12.47705 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 18:30:52 | 99.7941 | 0.05510 | 12.1322 | 81.6692 | 11.0836 | 12.47705 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 18:30:52 | 99.7941 | 0.05510 | 12.1322 | 81.6692 | 11.0836 | 12.47705 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 18:30:52 | 99.7941 | 0.05510 | 12.1322 | 81.6692 | 11.0836 | 12.47705 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 18:30:52 | 99.7941 | 0.05510 | 12.1322 | 81.6692 | 11.0836 | 12.47705 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 03:10:41 | 99.7938 | 0.05508 | 11.8777 | 91.2592 | 11.0836 | 12.47705 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 03:10:41 | 99.7938 | 0.05508 | 11.8777 | 91.2592 | 11.0836 | 12.47705 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 03:10:41 | 99.7938 | 0.05508 | 11.8777 | 91.2592 | 11.0836 | 12.47705 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 03:10:41 | 99.7938 | 0.05508 | 11.8777 | 91.2592 | 11.0836 | 12.47705 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 03:10:41 | 99.7938 | 0.05508 | 11.8777 | 91.2592 | 11.0836 | 12.47705 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 09:40:15 | 99.7935 | 0.05505 | 11.6183 | 101.0355 | 11.0836 | 12.47705 | – |