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 | 21546 |
| 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 03 18:57 | 2025 Dec 30 20:52:58 | 99.5495 | 0.06156 | 22.4046 | 305.6519 | 75.9863 | 12.28629 | – |
| 2026 Jan 01 18:56 | 2025 Dec 30 20:52:58 | 99.5495 | 0.06156 | 22.4046 | 305.6519 | 75.9863 | 12.28629 | – |
| 2025 Dec 31 18:57 | 2025 Dec 30 20:52:58 | 99.5495 | 0.06156 | 22.4046 | 305.6519 | 75.9863 | 12.28629 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 10:08:45 | 99.5485 | 0.06161 | 22.1748 | 314.5641 | 75.9863 | 12.28629 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 10:08:45 | 99.5485 | 0.06161 | 22.1748 | 314.5641 | 75.9863 | 12.28629 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 10:08:45 | 99.5485 | 0.06161 | 22.1748 | 314.5641 | 75.9863 | 12.28629 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 10:08:45 | 99.5485 | 0.06161 | 22.1748 | 314.5641 | 75.9863 | 12.28629 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 10:08:45 | 99.5485 | 0.06161 | 22.1748 | 314.5641 | 75.9863 | 12.28629 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 10:03:04 | 99.5470 | 0.06165 | 21.8128 | 328.5906 | 75.9863 | 12.28629 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 10:03:04 | 99.5470 | 0.06165 | 21.8128 | 328.5906 | 75.9863 | 12.28629 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 10:03:04 | 99.5470 | 0.06165 | 21.8128 | 328.5906 | 75.9863 | 12.28629 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 10:03:04 | 99.5470 | 0.06165 | 21.8128 | 328.5906 | 75.9863 | 12.28629 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 10:03:04 | 99.5470 | 0.06165 | 21.8128 | 328.5906 | 75.9863 | 12.28629 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 10:03:04 | 99.5470 | 0.06165 | 21.8128 | 328.5906 | 75.9863 | 12.28629 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 21:40:49 | 99.5461 | 0.06166 | 21.4246 | 343.6373 | 75.9863 | 12.28629 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 21:40:49 | 99.5461 | 0.06166 | 21.4246 | 343.6373 | 75.9863 | 12.28629 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 21:40:49 | 99.5461 | 0.06166 | 21.4246 | 343.6373 | 75.9863 | 12.28629 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 21:40:49 | 99.5461 | 0.06166 | 21.4246 | 343.6373 | 75.9863 | 12.28629 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 21:40:49 | 99.5461 | 0.06166 | 21.4246 | 343.6373 | 75.9863 | 12.28629 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 21:40:49 | 99.5461 | 0.06166 | 21.4246 | 343.6373 | 75.9863 | 12.28629 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 21:40:49 | 99.5461 | 0.06166 | 21.4246 | 343.6373 | 75.9863 | 12.28629 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 21:40:49 | 99.5461 | 0.06166 | 21.4246 | 343.6373 | 75.9863 | 12.28629 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 22:29:20 | 99.5447 | 0.06164 | 21.1680 | 353.5853 | 75.9863 | 12.28629 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 22:29:20 | 99.5447 | 0.06164 | 21.1680 | 353.5853 | 75.9863 | 12.28629 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 22:29:20 | 99.5447 | 0.06164 | 21.1680 | 353.5853 | 75.9863 | 12.28629 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 22:29:20 | 99.5447 | 0.06164 | 21.1680 | 353.5853 | 75.9863 | 12.28629 | – |
| 2025 Dec 07 18:56 | 2025 Dec 06 22:29:20 | 99.5447 | 0.06164 | 21.1680 | 353.5853 | 75.9863 | 12.28629 | – |