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 | 21371 |
| 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 30 18:56 | 2025 Dec 25 04:09:20 | 99.7955 | 0.01531 | 5.1223 | 156.3767 | 233.1412 | 13.14292 | – |
| 2025 Dec 29 18:56 | 2025 Dec 25 04:09:20 | 99.7955 | 0.01531 | 5.1223 | 156.3767 | 233.1412 | 13.14292 | – |
| 2025 Dec 28 18:57 | 2025 Dec 25 04:09:20 | 99.7955 | 0.01531 | 5.1223 | 156.3767 | 233.1412 | 13.14292 | – |
| 2025 Dec 27 18:57 | 2025 Dec 25 04:09:20 | 99.7955 | 0.01531 | 5.1223 | 156.3767 | 233.1412 | 13.14292 | – |
| 2025 Dec 26 18:56 | 2025 Dec 25 04:09:20 | 99.7955 | 0.01531 | 5.1223 | 156.3767 | 233.1412 | 13.14292 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 11:06:52 | 99.7963 | 0.01530 | 4.7706 | 169.6005 | 233.1412 | 13.14292 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 11:06:52 | 99.7963 | 0.01530 | 4.7706 | 169.6005 | 233.1412 | 13.14292 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 11:06:52 | 99.7963 | 0.01530 | 4.7706 | 169.6005 | 233.1412 | 13.14292 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 11:06:52 | 99.7963 | 0.01530 | 4.7706 | 169.6005 | 233.1412 | 13.14292 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 11:06:52 | 99.7963 | 0.01530 | 4.7706 | 169.6005 | 233.1412 | 13.14292 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 11:06:52 | 99.7963 | 0.01530 | 4.7706 | 169.6005 | 233.1412 | 13.14292 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 03:44:47 | 99.7970 | 0.01529 | 4.3206 | 186.5398 | 233.1412 | 13.14292 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 03:44:47 | 99.7970 | 0.01529 | 4.3206 | 186.5398 | 233.1412 | 13.14292 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 03:44:47 | 99.7970 | 0.01529 | 4.3206 | 186.5398 | 233.1412 | 13.14292 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 03:44:47 | 99.7970 | 0.01529 | 4.3206 | 186.5398 | 233.1412 | 13.14292 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 03:44:47 | 99.7970 | 0.01529 | 4.3206 | 186.5398 | 233.1412 | 13.14292 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 03:44:47 | 99.7970 | 0.01529 | 4.3206 | 186.5398 | 233.1412 | 13.14292 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 03:44:47 | 99.7970 | 0.01529 | 4.3206 | 186.5398 | 233.1412 | 13.14292 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 03:44:47 | 99.7970 | 0.01529 | 4.3206 | 186.5398 | 233.1412 | 13.14292 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 04:58:12 | 99.7974 | 0.01528 | 4.0157 | 198.0256 | 233.1412 | 13.14292 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 04:58:12 | 99.7974 | 0.01528 | 4.0157 | 198.0256 | 233.1412 | 13.14292 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 04:58:12 | 99.7974 | 0.01528 | 4.0157 | 198.0256 | 233.1412 | 13.14292 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 04:58:12 | 99.7974 | 0.01528 | 4.0157 | 198.0256 | 233.1412 | 13.14292 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:58:12 | 99.7974 | 0.01528 | 4.0157 | 198.0256 | 233.1412 | 13.14292 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:37:20 | 99.7979 | 0.01526 | 3.7248 | 208.9803 | 233.1412 | 13.14292 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:37:20 | 99.7979 | 0.01526 | 3.7248 | 208.9803 | 233.1412 | 13.14292 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:37:20 | 99.7979 | 0.01526 | 3.7248 | 208.9803 | 233.1412 | 13.14292 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:37:20 | 99.7979 | 0.01526 | 3.7248 | 208.9803 | 233.1412 | 13.14292 | – |