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 | 21331 |
| 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 Aug 01 17:57 | 2026 Aug 01 02:25:52 | 99.6525 | 0.00261 | 3.7659 | 349.9177 | 128.3311 | 13.39770 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 09:32:00 | 99.6528 | 0.00263 | 3.4675 | 1.3760 | 128.3311 | 13.39770 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 09:32:00 | 99.6528 | 0.00263 | 3.4675 | 1.3760 | 128.3311 | 13.39770 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 09:32:00 | 99.6528 | 0.00263 | 3.4675 | 1.3760 | 128.3311 | 13.39770 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 09:32:00 | 99.6528 | 0.00263 | 3.4675 | 1.3760 | 128.3311 | 13.39770 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 09:32:00 | 99.6528 | 0.00263 | 3.4675 | 1.3760 | 128.3311 | 13.39770 | – |
| 2026 Jul 26 17:56 | 2026 Jul 21 03:00:39 | 99.6535 | 0.00265 | 3.0696 | 16.5689 | 128.3311 | 13.39770 | – |
| 2026 Jul 25 17:57 | 2026 Jul 21 03:00:39 | 99.6535 | 0.00265 | 3.0696 | 16.5689 | 128.3311 | 13.39770 | – |
| 2026 Jul 24 17:56 | 2026 Jul 21 03:00:39 | 99.6535 | 0.00265 | 3.0696 | 16.5689 | 128.3311 | 13.39770 | – |
| 2026 Jul 23 17:57 | 2026 Jul 21 03:00:39 | 99.6535 | 0.00265 | 3.0696 | 16.5689 | 128.3311 | 13.39770 | – |
| 2026 Jul 22 17:57 | 2026 Jul 21 03:00:39 | 99.6535 | 0.00265 | 3.0696 | 16.5689 | 128.3311 | 13.39770 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 03:00:39 | 99.6535 | 0.00265 | 3.0696 | 16.5689 | 128.3311 | 13.39770 | – |
| 2026 Jul 20 17:57 | 2026 Jul 16 01:20:36 | 99.6536 | 0.00267 | 2.7479 | 28.7758 | 128.3311 | 13.39770 | – |
| 2026 Jul 19 19:06 | 2026 Jul 16 01:20:36 | 99.6536 | 0.00267 | 2.7479 | 28.7758 | 128.3311 | 13.39770 | – |
| 2026 Jul 19 17:57 | 2026 Jul 16 01:20:36 | 99.6536 | 0.00267 | 2.7479 | 28.7758 | 128.3311 | 13.39770 | – |
| 2026 Jul 18 17:57 | 2026 Jul 16 01:20:36 | 99.6536 | 0.00267 | 2.7479 | 28.7758 | 128.3311 | 13.39770 | – |
| 2026 Jul 17 17:57 | 2026 Jul 16 01:20:36 | 99.6536 | 0.00267 | 2.7479 | 28.7758 | 128.3311 | 13.39770 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 01:20:36 | 99.6536 | 0.00267 | 2.7479 | 28.7758 | 128.3311 | 13.39770 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 13:15:32 | 99.6538 | 0.00268 | 2.4622 | 39.5552 | 128.3311 | 13.39770 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 13:15:32 | 99.6538 | 0.00268 | 2.4622 | 39.5552 | 128.3311 | 13.39770 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 13:15:32 | 99.6538 | 0.00268 | 2.4622 | 39.5552 | 128.3311 | 13.39770 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 13:15:32 | 99.6538 | 0.00268 | 2.4622 | 39.5552 | 128.3311 | 13.39770 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 13:15:32 | 99.6538 | 0.00268 | 2.4622 | 39.5552 | 128.3311 | 13.39770 | – |
| 2026 Jul 09 17:56 | 2026 Jul 05 00:03:03 | 99.6543 | 0.00269 | 2.0466 | 55.0971 | 128.3311 | 13.39770 | – |
| 2026 Jul 08 17:56 | 2026 Jul 05 00:03:03 | 99.6543 | 0.00269 | 2.0466 | 55.0971 | 128.3311 | 13.39770 | – |
| 2026 Jul 07 17:56 | 2026 Jul 05 00:03:03 | 99.6543 | 0.00269 | 2.0466 | 55.0971 | 128.3311 | 13.39770 | – |
| 2026 Jul 06 17:57 | 2026 Jul 05 00:03:03 | 99.6543 | 0.00269 | 2.0466 | 55.0971 | 128.3311 | 13.39770 | – |
| 2026 Jul 05 17:56 | 2026 Jul 05 00:03:03 | 99.6543 | 0.00269 | 2.0466 | 55.0971 | 128.3311 | 13.39770 | – |