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 | 21355 |
| 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 Dec 31 18:57 | 2025 Dec 30 22:11:13 | 99.6194 | 0.01505 | 23.1979 | 40.0910 | 348.4605 | 13.14182 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 11:00:54 | 99.6191 | 0.01506 | 22.9279 | 50.4937 | 348.4605 | 13.14182 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 11:00:54 | 99.6191 | 0.01506 | 22.9279 | 50.4937 | 348.4605 | 13.14182 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 11:00:54 | 99.6191 | 0.01506 | 22.9279 | 50.4937 | 348.4605 | 13.14182 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 11:00:54 | 99.6191 | 0.01506 | 22.9279 | 50.4937 | 348.4605 | 13.14182 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 11:00:54 | 99.6191 | 0.01506 | 22.9279 | 50.4937 | 348.4605 | 13.14182 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 10:40:27 | 99.6182 | 0.01506 | 22.5643 | 64.5013 | 348.4605 | 13.14182 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 10:40:27 | 99.6182 | 0.01506 | 22.5643 | 64.5013 | 348.4605 | 13.14182 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 10:40:27 | 99.6182 | 0.01506 | 22.5643 | 64.5013 | 348.4605 | 13.14182 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 10:40:27 | 99.6182 | 0.01506 | 22.5643 | 64.5013 | 348.4605 | 13.14182 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 10:40:27 | 99.6182 | 0.01506 | 22.5643 | 64.5013 | 348.4605 | 13.14182 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 10:40:27 | 99.6182 | 0.01506 | 22.5643 | 64.5013 | 348.4605 | 13.14182 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 04:39:52 | 99.6175 | 0.01507 | 22.0655 | 83.7069 | 348.4605 | 13.14182 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 04:39:52 | 99.6175 | 0.01507 | 22.0655 | 83.7069 | 348.4605 | 13.14182 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 04:39:52 | 99.6175 | 0.01507 | 22.0655 | 83.7069 | 348.4605 | 13.14182 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 04:39:52 | 99.6175 | 0.01507 | 22.0655 | 83.7069 | 348.4605 | 13.14182 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 04:39:52 | 99.6175 | 0.01507 | 22.0655 | 83.7069 | 348.4605 | 13.14182 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 04:39:52 | 99.6175 | 0.01507 | 22.0655 | 83.7069 | 348.4605 | 13.14182 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 04:39:52 | 99.6175 | 0.01507 | 22.0655 | 83.7069 | 348.4605 | 13.14182 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 04:39:52 | 99.6175 | 0.01507 | 22.0655 | 83.7069 | 348.4605 | 13.14182 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 22:47:40 | 99.6173 | 0.01507 | 21.7484 | 95.9114 | 348.4605 | 13.14182 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 22:47:40 | 99.6173 | 0.01507 | 21.7484 | 95.9114 | 348.4605 | 13.14182 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 22:47:40 | 99.6173 | 0.01507 | 21.7484 | 95.9114 | 348.4605 | 13.14182 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 22:47:40 | 99.6173 | 0.01507 | 21.7484 | 95.9114 | 348.4605 | 13.14182 | – |
| 2025 Dec 07 18:56 | 2025 Dec 06 22:47:40 | 99.6173 | 0.01507 | 21.7484 | 95.9114 | 348.4605 | 13.14182 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:19:46 | 99.6171 | 0.01506 | 21.4778 | 106.3352 | 348.4605 | 13.14182 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:19:46 | 99.6171 | 0.01506 | 21.4778 | 106.3352 | 348.4605 | 13.14182 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:19:46 | 99.6171 | 0.01506 | 21.4778 | 106.3352 | 348.4605 | 13.14182 | – |