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 | 21373 |
| 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 May 01 17:56 | 2026 Apr 30 06:34:51 | 99.9429 | 0.00750 | 1.1068 | 139.7392 | 339.7747 | 13.32682 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 06:34:51 | 99.9429 | 0.00750 | 1.1068 | 139.7392 | 339.7747 | 13.32682 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 04:48:36 | 99.9434 | 0.00748 | 0.7148 | 154.2725 | 339.7747 | 13.32682 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 04:48:36 | 99.9434 | 0.00748 | 0.7148 | 154.2725 | 339.7747 | 13.32682 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 04:48:36 | 99.9434 | 0.00748 | 0.7148 | 154.2725 | 339.7747 | 13.32682 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 04:48:36 | 99.9434 | 0.00748 | 0.7148 | 154.2725 | 339.7747 | 13.32682 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 04:48:36 | 99.9434 | 0.00748 | 0.7148 | 154.2725 | 339.7747 | 13.32682 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 04:48:36 | 99.9434 | 0.00748 | 0.7148 | 154.2725 | 339.7747 | 13.32682 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 04:05:58 | 99.9438 | 0.00746 | 0.3902 | 166.3239 | 339.7747 | 13.32682 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 04:05:58 | 99.9438 | 0.00746 | 0.3902 | 166.3239 | 339.7747 | 13.32682 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 04:05:58 | 99.9438 | 0.00746 | 0.3902 | 166.3239 | 339.7747 | 13.32682 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 04:05:58 | 99.9438 | 0.00746 | 0.3902 | 166.3239 | 339.7747 | 13.32682 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 04:05:58 | 99.9438 | 0.00746 | 0.3902 | 166.3239 | 339.7747 | 13.32682 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 14:52:49 | 99.9446 | 0.00744 | 23.9674 | 182.0258 | 339.7747 | 13.32682 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 14:52:49 | 99.9446 | 0.00744 | 23.9674 | 182.0258 | 339.7747 | 13.32682 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 14:52:49 | 99.9446 | 0.00744 | 23.9674 | 182.0258 | 339.7747 | 13.32682 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 14:52:49 | 99.9446 | 0.00744 | 23.9674 | 182.0258 | 339.7747 | 13.32682 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 06:40:59 | 99.9450 | 0.00742 | 23.6872 | 192.4663 | 339.7747 | 13.32682 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 06:40:59 | 99.9450 | 0.00742 | 23.6872 | 192.4663 | 339.7747 | 13.32682 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 06:40:59 | 99.9450 | 0.00742 | 23.6872 | 192.4663 | 339.7747 | 13.32682 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 06:40:59 | 99.9450 | 0.00742 | 23.6872 | 192.4663 | 339.7747 | 13.32682 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 06:40:59 | 99.9450 | 0.00742 | 23.6872 | 192.4663 | 339.7747 | 13.32682 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 22:48:30 | 99.9459 | 0.00741 | 23.2787 | 207.7572 | 339.7747 | 13.32682 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 22:48:30 | 99.9459 | 0.00741 | 23.2787 | 207.7572 | 339.7747 | 13.32682 | – |
| 2026 Apr 05 17:56 | 2026 Apr 01 22:48:30 | 99.9459 | 0.00741 | 23.2787 | 207.7572 | 339.7747 | 13.32682 | – |
| 2026 Apr 04 17:57 | 2026 Apr 01 22:48:30 | 99.9459 | 0.00741 | 23.2787 | 207.7572 | 339.7747 | 13.32682 | – |