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 | 21438 |
| 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 26 18:56 | 2025 Dec 25 18:03:35 | 99.7272 | 0.00810 | 18.6126 | 334.6134 | 82.6814 | 13.30965 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 82.6814 | 13.30965 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 82.6814 | 13.30965 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 82.6814 | 13.30965 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 82.6814 | 13.30965 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 82.6814 | 13.30965 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 82.6814 | 13.30965 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 82.6814 | 13.30965 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 82.6814 | 13.30965 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 82.6814 | 13.30965 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 82.6814 | 13.30965 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 82.6814 | 13.30965 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 82.6814 | 13.30965 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 82.6814 | 13.30965 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 82.6814 | 13.30965 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 00:39:33 | 99.7258 | 0.00814 | 17.4336 | 19.0204 | 82.6814 | 13.30965 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 00:39:33 | 99.7258 | 0.00814 | 17.4336 | 19.0204 | 82.6814 | 13.30965 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 00:39:33 | 99.7258 | 0.00814 | 17.4336 | 19.0204 | 82.6814 | 13.30965 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 00:39:33 | 99.7258 | 0.00814 | 17.4336 | 19.0204 | 82.6814 | 13.30965 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 00:39:33 | 99.7258 | 0.00814 | 17.4336 | 19.0204 | 82.6814 | 13.30965 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 05:52:11 | 99.7251 | 0.00814 | 17.1325 | 30.3509 | 82.6814 | 13.30965 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 05:52:11 | 99.7251 | 0.00814 | 17.1325 | 30.3509 | 82.6814 | 13.30965 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 05:52:11 | 99.7251 | 0.00814 | 17.1325 | 30.3509 | 82.6814 | 13.30965 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 05:52:11 | 99.7251 | 0.00814 | 17.1325 | 30.3509 | 82.6814 | 13.30965 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 05:52:11 | 99.7251 | 0.00814 | 17.1325 | 30.3509 | 82.6814 | 13.30965 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 01:45:48 | 99.7243 | 0.00813 | 16.6811 | 47.3509 | 82.6814 | 13.30965 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 01:45:48 | 99.7243 | 0.00813 | 16.6811 | 47.3509 | 82.6814 | 13.30965 | – |