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 Aug 29 17:56 | 2025 Aug 27 18:30:52 | 99.7941 | 0.05510 | 12.1322 | 81.6692 | 342.2329 | 12.47690 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 18:30:52 | 99.7941 | 0.05510 | 12.1322 | 81.6692 | 342.2329 | 12.47690 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 03:10:41 | 99.7938 | 0.05508 | 11.8777 | 91.2592 | 342.2329 | 12.47690 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 03:10:41 | 99.7938 | 0.05508 | 11.8777 | 91.2592 | 342.2329 | 12.47690 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 03:10:41 | 99.7938 | 0.05508 | 11.8777 | 91.2592 | 342.2329 | 12.47690 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 03:10:41 | 99.7938 | 0.05508 | 11.8777 | 91.2592 | 342.2329 | 12.47690 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 03:10:41 | 99.7938 | 0.05508 | 11.8777 | 91.2592 | 342.2329 | 12.47690 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 09:40:15 | 99.7935 | 0.05505 | 11.6183 | 101.0355 | 342.2329 | 12.47690 | – |
| 2025 Aug 20 17:56 | 2025 Aug 18 09:40:15 | 99.7935 | 0.05505 | 11.6183 | 101.0355 | 342.2329 | 12.47690 | – |
| 2025 Aug 19 17:56 | 2025 Aug 18 09:40:15 | 99.7935 | 0.05505 | 11.6183 | 101.0355 | 342.2329 | 12.47690 | – |
| 2025 Aug 18 17:56 | 2025 Aug 18 09:40:15 | 99.7935 | 0.05505 | 11.6183 | 101.0355 | 342.2329 | 12.47690 | – |
| 2025 Aug 16 17:56 | 2025 Aug 12 03:34:40 | 99.7930 | 0.05502 | 11.2752 | 113.9711 | 342.2329 | 12.47690 | – |
| 2025 Aug 15 17:57 | 2025 Aug 12 03:34:40 | 99.7930 | 0.05502 | 11.2752 | 113.9711 | 342.2329 | 12.47690 | – |
| 2025 Aug 14 17:56 | 2025 Aug 12 03:34:40 | 99.7930 | 0.05502 | 11.2752 | 113.9711 | 342.2329 | 12.47690 | – |
| 2025 Aug 13 17:58 | 2025 Aug 12 03:34:40 | 99.7930 | 0.05502 | 11.2752 | 113.9711 | 342.2329 | 12.47690 | – |
| 2025 Aug 12 17:56 | 2025 Aug 12 03:34:40 | 99.7930 | 0.05502 | 11.2752 | 113.9711 | 342.2329 | 12.47690 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 07:14:41 | 99.7928 | 0.05499 | 10.9545 | 126.0772 | 342.2329 | 12.47690 | – |
| 2025 Aug 10 17:57 | 2025 Aug 06 07:14:41 | 99.7928 | 0.05499 | 10.9545 | 126.0772 | 342.2329 | 12.47690 | – |
| 2025 Aug 09 17:56 | 2025 Aug 06 07:14:41 | 99.7928 | 0.05499 | 10.9545 | 126.0772 | 342.2329 | 12.47690 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 07:14:41 | 99.7928 | 0.05499 | 10.9545 | 126.0772 | 342.2329 | 12.47690 | – |
| 2025 Aug 07 17:56 | 2025 Aug 06 07:14:41 | 99.7928 | 0.05499 | 10.9545 | 126.0772 | 342.2329 | 12.47690 | – |
| 2025 Aug 05 17:56 | 2025 Jul 31 18:01:17 | 99.7924 | 0.05495 | 10.6501 | 137.5723 | 342.2329 | 12.47690 | – |
| 2025 Aug 04 17:56 | 2025 Jul 31 18:01:17 | 99.7924 | 0.05495 | 10.6501 | 137.5723 | 342.2329 | 12.47690 | – |
| 2025 Aug 03 17:56 | 2025 Jul 31 18:01:17 | 99.7924 | 0.05495 | 10.6501 | 137.5723 | 342.2329 | 12.47690 | – |
| 2025 Aug 02 17:56 | 2025 Jul 31 18:01:17 | 99.7924 | 0.05495 | 10.6501 | 137.5723 | 342.2329 | 12.47690 | – |