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 | 21291 |
| 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 Jul 31 17:56 | 2026 Jul 27 10:38:11 | 99.8919 | 0.01361 | 0.9658 | 303.6956 | 81.7648 | 13.83397 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 10:38:11 | 99.8919 | 0.01361 | 0.9658 | 303.6956 | 81.7648 | 13.83397 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 10:38:11 | 99.8919 | 0.01361 | 0.9658 | 303.6956 | 81.7648 | 13.83397 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 10:38:11 | 99.8919 | 0.01361 | 0.9658 | 303.6956 | 81.7648 | 13.83397 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 10:38:11 | 99.8919 | 0.01361 | 0.9658 | 303.6956 | 81.7648 | 13.83397 | – |
| 2026 Jul 26 17:56 | 2026 Jul 20 10:16:40 | 99.8914 | 0.01362 | 0.4743 | 322.1377 | 81.7648 | 13.83397 | – |
| 2026 Jul 25 17:57 | 2026 Jul 20 10:16:40 | 99.8914 | 0.01362 | 0.4743 | 322.1377 | 81.7648 | 13.83397 | – |
| 2026 Jul 24 17:56 | 2026 Jul 20 10:16:40 | 99.8914 | 0.01362 | 0.4743 | 322.1377 | 81.7648 | 13.83397 | – |
| 2026 Jul 23 17:57 | 2026 Jul 20 10:16:40 | 99.8914 | 0.01362 | 0.4743 | 322.1377 | 81.7648 | 13.83397 | – |
| 2026 Jul 22 17:57 | 2026 Jul 20 10:16:40 | 99.8914 | 0.01362 | 0.4743 | 322.1377 | 81.7648 | 13.83397 | – |
| 2026 Jul 21 17:57 | 2026 Jul 20 10:16:40 | 99.8914 | 0.01362 | 0.4743 | 322.1377 | 81.7648 | 13.83397 | – |
| 2026 Jul 20 17:57 | 2026 Jul 15 10:29:52 | 99.8906 | 0.01364 | 0.1246 | 335.2445 | 81.7648 | 13.83397 | – |
| 2026 Jul 19 19:06 | 2026 Jul 15 10:29:52 | 99.8906 | 0.01364 | 0.1246 | 335.2445 | 81.7648 | 13.83397 | – |
| 2026 Jul 19 17:57 | 2026 Jul 15 10:29:52 | 99.8906 | 0.01364 | 0.1246 | 335.2445 | 81.7648 | 13.83397 | – |
| 2026 Jul 18 17:57 | 2026 Jul 15 10:29:52 | 99.8906 | 0.01364 | 0.1246 | 335.2445 | 81.7648 | 13.83397 | – |
| 2026 Jul 17 17:57 | 2026 Jul 15 10:29:52 | 99.8906 | 0.01364 | 0.1246 | 335.2445 | 81.7648 | 13.83397 | – |
| 2026 Jul 16 17:56 | 2026 Jul 15 10:29:52 | 99.8906 | 0.01364 | 0.1246 | 335.2445 | 81.7648 | 13.83397 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 09:18:30 | 99.8901 | 0.01365 | 23.8410 | 345.8649 | 81.7648 | 13.83397 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 09:18:30 | 99.8901 | 0.01365 | 23.8410 | 345.8649 | 81.7648 | 13.83397 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 09:18:30 | 99.8901 | 0.01365 | 23.8410 | 345.8649 | 81.7648 | 13.83397 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 09:18:30 | 99.8901 | 0.01365 | 23.8410 | 345.8649 | 81.7648 | 13.83397 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 09:18:30 | 99.8901 | 0.01365 | 23.8410 | 345.8649 | 81.7648 | 13.83397 | – |
| 2026 Jul 09 17:56 | 2026 Jul 04 17:32:10 | 99.8897 | 0.01368 | 23.3746 | 3.3010 | 81.7648 | 13.83397 | – |
| 2026 Jul 08 17:56 | 2026 Jul 04 17:32:10 | 99.8897 | 0.01368 | 23.3746 | 3.3010 | 81.7648 | 13.83397 | – |
| 2026 Jul 07 17:56 | 2026 Jul 04 17:32:10 | 99.8897 | 0.01368 | 23.3746 | 3.3010 | 81.7648 | 13.83397 | – |
| 2026 Jul 06 17:57 | 2026 Jul 04 17:32:10 | 99.8897 | 0.01368 | 23.3746 | 3.3010 | 81.7648 | 13.83397 | – |
| 2026 Jul 05 17:56 | 2026 Jul 04 17:32:10 | 99.8897 | 0.01368 | 23.3746 | 3.3010 | 81.7648 | 13.83397 | – |
| 2026 Jul 04 17:56 | 2026 Jun 28 17:29:14 | 99.8888 | 0.01371 | 22.9542 | 18.9898 | 81.7648 | 13.83397 | – |