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 | 21277 |
| 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 15 05:52:30 | 99.7108 | 0.01337 | 3.1460 | 152.3673 | 329.6060 | 13.19171 | – |
| 2025 Sep 15 17:56 | 2025 Sep 15 05:52:30 | 99.7108 | 0.01337 | 3.1460 | 152.3673 | 329.6060 | 13.19171 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 04:43:39 | 99.7087 | 0.01334 | 2.4042 | 180.5608 | 329.6060 | 13.19171 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 04:43:39 | 99.7087 | 0.01334 | 2.4042 | 180.5608 | 329.6060 | 13.19171 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 04:43:39 | 99.7087 | 0.01334 | 2.4042 | 180.5608 | 329.6060 | 13.19171 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 04:43:39 | 99.7087 | 0.01334 | 2.4042 | 180.5608 | 329.6060 | 13.19171 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 04:43:39 | 99.7087 | 0.01334 | 2.4042 | 180.5608 | 329.6060 | 13.19171 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 04:43:39 | 99.7087 | 0.01334 | 2.4042 | 180.5608 | 329.6060 | 13.19171 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 04:43:39 | 99.7087 | 0.01334 | 2.4042 | 180.5608 | 329.6060 | 13.19171 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 21:22:57 | 99.7078 | 0.01332 | 2.0160 | 195.3321 | 329.6060 | 13.19171 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 21:22:57 | 99.7078 | 0.01332 | 2.0160 | 195.3321 | 329.6060 | 13.19171 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 21:22:57 | 99.7078 | 0.01332 | 2.0160 | 195.3321 | 329.6060 | 13.19171 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 21:22:57 | 99.7078 | 0.01332 | 2.0160 | 195.3321 | 329.6060 | 13.19171 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 21:22:57 | 99.7078 | 0.01332 | 2.0160 | 195.3321 | 329.6060 | 13.19171 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 21:22:57 | 99.7078 | 0.01332 | 2.0160 | 195.3321 | 329.6060 | 13.19171 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 04:47:24 | 99.7068 | 0.01330 | 1.7272 | 206.3359 | 329.6060 | 13.19171 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 04:47:24 | 99.7068 | 0.01330 | 1.7272 | 206.3359 | 329.6060 | 13.19171 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 04:47:24 | 99.7068 | 0.01330 | 1.7272 | 206.3359 | 329.6060 | 13.19171 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 04:47:24 | 99.7068 | 0.01330 | 1.7272 | 206.3359 | 329.6060 | 13.19171 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 04:47:24 | 99.7068 | 0.01330 | 1.7272 | 206.3359 | 329.6060 | 13.19171 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:54:32 | 99.7061 | 0.01328 | 1.4043 | 218.6675 | 329.6060 | 13.19171 | – |