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 | 21461 |
| 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 01 18:56 | 2025 Dec 31 13:33:37 | 99.7305 | 0.02056 | 7.1953 | 86.6078 | 30.0684 | 13.20450 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 13:33:37 | 99.7305 | 0.02056 | 7.1953 | 86.6078 | 30.0684 | 13.20450 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 00:30:40 | 99.7309 | 0.02057 | 6.8522 | 99.6356 | 30.0684 | 13.20450 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 00:30:40 | 99.7309 | 0.02057 | 6.8522 | 99.6356 | 30.0684 | 13.20450 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 00:30:40 | 99.7309 | 0.02057 | 6.8522 | 99.6356 | 30.0684 | 13.20450 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 00:30:40 | 99.7309 | 0.02057 | 6.8522 | 99.6356 | 30.0684 | 13.20450 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 00:30:40 | 99.7309 | 0.02057 | 6.8522 | 99.6356 | 30.0684 | 13.20450 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 13:53:09 | 99.7314 | 0.02058 | 6.5155 | 112.4172 | 30.0684 | 13.20450 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 13:53:09 | 99.7314 | 0.02058 | 6.5155 | 112.4172 | 30.0684 | 13.20450 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 13:53:09 | 99.7314 | 0.02058 | 6.5155 | 112.4172 | 30.0684 | 13.20450 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 13:53:09 | 99.7314 | 0.02058 | 6.5155 | 112.4172 | 30.0684 | 13.20450 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 13:53:09 | 99.7314 | 0.02058 | 6.5155 | 112.4172 | 30.0684 | 13.20450 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 13:53:09 | 99.7314 | 0.02058 | 6.5155 | 112.4172 | 30.0684 | 13.20450 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 20:49:20 | 99.7314 | 0.02059 | 5.9764 | 132.8773 | 30.0684 | 13.20450 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 20:49:20 | 99.7314 | 0.02059 | 5.9764 | 132.8773 | 30.0684 | 13.20450 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 20:49:20 | 99.7314 | 0.02059 | 5.9764 | 132.8773 | 30.0684 | 13.20450 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 20:49:20 | 99.7314 | 0.02059 | 5.9764 | 132.8773 | 30.0684 | 13.20450 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 20:49:20 | 99.7314 | 0.02059 | 5.9764 | 132.8773 | 30.0684 | 13.20450 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 20:49:20 | 99.7314 | 0.02059 | 5.9764 | 132.8773 | 30.0684 | 13.20450 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 20:49:20 | 99.7314 | 0.02059 | 5.9764 | 132.8773 | 30.0684 | 13.20450 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 20:49:20 | 99.7314 | 0.02059 | 5.9764 | 132.8773 | 30.0684 | 13.20450 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 13:29:00 | 99.7314 | 0.02059 | 5.6481 | 145.3411 | 30.0684 | 13.20450 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 13:29:00 | 99.7314 | 0.02059 | 5.6481 | 145.3411 | 30.0684 | 13.20450 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 13:29:00 | 99.7314 | 0.02059 | 5.6481 | 145.3411 | 30.0684 | 13.20450 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 13:29:00 | 99.7314 | 0.02059 | 5.6481 | 145.3411 | 30.0684 | 13.20450 | – |
| 2025 Dec 07 18:56 | 2025 Dec 06 13:29:00 | 99.7314 | 0.02059 | 5.6481 | 145.3411 | 30.0684 | 13.20450 | – |
| 2025 Dec 06 18:56 | 2025 Dec 01 20:45:41 | 99.7315 | 0.02059 | 5.3574 | 156.3587 | 30.0684 | 13.20450 | – |
| 2025 Dec 05 18:57 | 2025 Dec 01 20:45:41 | 99.7315 | 0.02059 | 5.3574 | 156.3587 | 30.0684 | 13.20450 | – |