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 | 21356 |
| 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 18 17:56 | 2025 Sep 14 19:01:57 | 99.7121 | 0.00916 | 12.4248 | 222.4977 | 207.7741 | 13.30701 | – |
| 2025 Sep 15 17:56 | 2025 Sep 14 19:01:57 | 99.7121 | 0.00916 | 12.4248 | 222.4977 | 207.7741 | 13.30701 | – |
| 2025 Sep 12 17:57 | 2025 Sep 02 18:18:53 | 99.7113 | 0.00915 | 11.6687 | 251.6891 | 207.7741 | 13.30701 | – |
| 2025 Sep 11 17:57 | 2025 Sep 02 18:18:53 | 99.7113 | 0.00915 | 11.6687 | 251.6891 | 207.7741 | 13.30701 | – |
| 2025 Sep 10 17:56 | 2025 Sep 02 18:18:53 | 99.7113 | 0.00915 | 11.6687 | 251.6891 | 207.7741 | 13.30701 | – |
| 2025 Sep 08 17:57 | 2025 Sep 02 18:18:53 | 99.7113 | 0.00915 | 11.6687 | 251.6891 | 207.7741 | 13.30701 | – |
| 2025 Sep 07 17:56 | 2025 Sep 02 18:18:53 | 99.7113 | 0.00915 | 11.6687 | 251.6891 | 207.7741 | 13.30701 | – |
| 2025 Sep 06 20:41 | 2025 Sep 02 18:18:53 | 99.7113 | 0.00915 | 11.6687 | 251.6891 | 207.7741 | 13.30701 | – |
| 2025 Sep 03 17:57 | 2025 Sep 02 18:18:53 | 99.7113 | 0.00915 | 11.6687 | 251.6891 | 207.7741 | 13.30701 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 17:56:52 | 99.7109 | 0.00916 | 11.2907 | 266.2621 | 207.7741 | 13.30701 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 17:56:52 | 99.7109 | 0.00916 | 11.2907 | 266.2621 | 207.7741 | 13.30701 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 17:56:52 | 99.7109 | 0.00916 | 11.2907 | 266.2621 | 207.7741 | 13.30701 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 17:56:52 | 99.7109 | 0.00916 | 11.2907 | 266.2621 | 207.7741 | 13.30701 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 17:56:52 | 99.7109 | 0.00916 | 11.2907 | 266.2621 | 207.7741 | 13.30701 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 17:56:52 | 99.7109 | 0.00916 | 11.2907 | 266.2621 | 207.7741 | 13.30701 | – |
| 2025 Aug 27 17:56 | 2025 Aug 21 17:34:03 | 99.7109 | 0.00918 | 10.9126 | 280.8369 | 207.7741 | 13.30701 | – |
| 2025 Aug 26 17:56 | 2025 Aug 21 17:34:03 | 99.7109 | 0.00918 | 10.9126 | 280.8369 | 207.7741 | 13.30701 | – |
| 2025 Aug 25 17:56 | 2025 Aug 21 17:34:03 | 99.7109 | 0.00918 | 10.9126 | 280.8369 | 207.7741 | 13.30701 | – |
| 2025 Aug 24 17:56 | 2025 Aug 21 17:34:03 | 99.7109 | 0.00918 | 10.9126 | 280.8369 | 207.7741 | 13.30701 | – |
| 2025 Aug 23 17:56 | 2025 Aug 21 17:34:03 | 99.7109 | 0.00918 | 10.9126 | 280.8369 | 207.7741 | 13.30701 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 08:39:24 | 99.7108 | 0.00919 | 10.7007 | 288.9923 | 207.7741 | 13.30701 | – |