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 |
| 2026 Jan 08 18:56 | 2026 Jan 05 14:10:58 | 99.7277 | 0.00806 | 19.2951 | 308.8009 | 174.8721 | 13.30973 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 14:10:58 | 99.7277 | 0.00806 | 19.2951 | 308.8009 | 174.8721 | 13.30973 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 14:10:58 | 99.7277 | 0.00806 | 19.2951 | 308.8009 | 174.8721 | 13.30973 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 06:15:04 | 99.7274 | 0.00808 | 18.9594 | 321.5058 | 174.8721 | 13.30973 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 06:15:04 | 99.7274 | 0.00808 | 18.9594 | 321.5058 | 174.8721 | 13.30973 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 06:15:04 | 99.7274 | 0.00808 | 18.9594 | 321.5058 | 174.8721 | 13.30973 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 06:15:04 | 99.7274 | 0.00808 | 18.9594 | 321.5058 | 174.8721 | 13.30973 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 06:15:04 | 99.7274 | 0.00808 | 18.9594 | 321.5058 | 174.8721 | 13.30973 | – |
| 2025 Dec 30 18:56 | 2025 Dec 25 18:03:35 | 99.7272 | 0.00810 | 18.6126 | 334.6134 | 174.8721 | 13.30973 | – |
| 2025 Dec 29 18:56 | 2025 Dec 25 18:03:35 | 99.7272 | 0.00810 | 18.6126 | 334.6134 | 174.8721 | 13.30973 | – |
| 2025 Dec 28 18:57 | 2025 Dec 25 18:03:35 | 99.7272 | 0.00810 | 18.6126 | 334.6134 | 174.8721 | 13.30973 | – |
| 2025 Dec 27 18:57 | 2025 Dec 25 18:03:35 | 99.7272 | 0.00810 | 18.6126 | 334.6134 | 174.8721 | 13.30973 | – |
| 2025 Dec 26 18:56 | 2025 Dec 25 18:03:35 | 99.7272 | 0.00810 | 18.6126 | 334.6134 | 174.8721 | 13.30973 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 174.8721 | 13.30973 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 174.8721 | 13.30973 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 174.8721 | 13.30973 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 174.8721 | 13.30973 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 174.8721 | 13.30973 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 00:46:12 | 99.7268 | 0.00812 | 18.2524 | 348.1925 | 174.8721 | 13.30973 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 174.8721 | 13.30973 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 174.8721 | 13.30973 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 174.8721 | 13.30973 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 174.8721 | 13.30973 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 174.8721 | 13.30973 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 174.8721 | 13.30973 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 174.8721 | 13.30973 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 18:20:35 | 99.7261 | 0.00814 | 17.7318 | 7.7984 | 174.8721 | 13.30973 | – |