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 | 21439 |
| 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 Sep 15 17:56 | 2025 Sep 13 17:57:54 | 100.0045 | 0.03490 | 17.4777 | 358.2550 | 1.7335 | 13.33886 | – |
| 2025 Sep 12 17:57 | 2025 Aug 30 22:43:40 | 99.9998 | 0.03534 | 16.5777 | 31.1107 | 1.7335 | 13.33886 | – |
| 2025 Sep 11 17:57 | 2025 Aug 30 22:43:40 | 99.9998 | 0.03534 | 16.5777 | 31.1107 | 1.7335 | 13.33886 | – |
| 2025 Sep 10 17:56 | 2025 Aug 30 22:43:40 | 99.9998 | 0.03534 | 16.5777 | 31.1107 | 1.7335 | 13.33886 | – |
| 2025 Sep 08 17:57 | 2025 Aug 30 22:43:40 | 99.9998 | 0.03534 | 16.5777 | 31.1107 | 1.7335 | 13.33886 | – |
| 2025 Sep 07 17:56 | 2025 Aug 30 22:43:40 | 99.9998 | 0.03534 | 16.5777 | 31.1107 | 1.7335 | 13.33886 | – |
| 2025 Sep 06 20:41 | 2025 Aug 30 22:43:40 | 99.9998 | 0.03534 | 16.5777 | 31.1107 | 1.7335 | 13.33886 | – |
| 2025 Sep 03 17:57 | 2025 Aug 30 22:43:40 | 99.9998 | 0.03534 | 16.5777 | 31.1107 | 1.7335 | 13.33886 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 06:30:27 | 99.9980 | 0.03545 | 16.3381 | 39.7953 | 1.7335 | 13.33886 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 06:30:27 | 99.9980 | 0.03545 | 16.3381 | 39.7953 | 1.7335 | 13.33886 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 06:30:27 | 99.9980 | 0.03545 | 16.3381 | 39.7953 | 1.7335 | 13.33886 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 06:30:27 | 99.9980 | 0.03545 | 16.3381 | 39.7953 | 1.7335 | 13.33886 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 06:30:27 | 99.9980 | 0.03545 | 16.3381 | 39.7953 | 1.7335 | 13.33886 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 06:30:27 | 99.9980 | 0.03545 | 16.3381 | 39.7953 | 1.7335 | 13.33886 | – |
| 2025 Aug 27 17:56 | 2025 Aug 20 17:51:46 | 99.9972 | 0.03563 | 15.9127 | 55.0982 | 1.7335 | 13.33886 | – |
| 2025 Aug 26 17:56 | 2025 Aug 20 17:51:46 | 99.9972 | 0.03563 | 15.9127 | 55.0982 | 1.7335 | 13.33886 | – |
| 2025 Aug 25 17:56 | 2025 Aug 20 17:51:46 | 99.9972 | 0.03563 | 15.9127 | 55.0982 | 1.7335 | 13.33886 | – |
| 2025 Aug 24 17:56 | 2025 Aug 20 17:51:46 | 99.9972 | 0.03563 | 15.9127 | 55.0982 | 1.7335 | 13.33886 | – |
| 2025 Aug 23 17:56 | 2025 Aug 20 17:51:46 | 99.9972 | 0.03563 | 15.9127 | 55.0982 | 1.7335 | 13.33886 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 12:26:15 | 99.9965 | 0.03570 | 15.7024 | 62.6337 | 1.7335 | 13.33886 | – |