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 | 42639 |
| 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 11 18:57 | 2026 Jan 08 06:58:52 | 99.6877 | 0.00711 | 13.2323 | 53.2978 | 128.2030 | 13.31667 | – |
| 2026 Jan 10 18:57 | 2026 Jan 01 19:05:27 | 99.6884 | 0.00712 | 12.8243 | 68.8068 | 128.2030 | 13.31667 | – |
| 2026 Jan 09 18:57 | 2026 Jan 01 19:05:27 | 99.6884 | 0.00712 | 12.8243 | 68.8068 | 128.2030 | 13.31667 | – |
| 2026 Jan 08 18:56 | 2026 Jan 01 19:05:27 | 99.6884 | 0.00712 | 12.8243 | 68.8068 | 128.2030 | 13.31667 | – |
| 2026 Jan 07 18:57 | 2026 Jan 01 19:05:27 | 99.6884 | 0.00712 | 12.8243 | 68.8068 | 128.2030 | 13.31667 | – |
| 2026 Jan 06 18:56 | 2026 Jan 01 19:05:27 | 99.6884 | 0.00712 | 12.8243 | 68.8068 | 128.2030 | 13.31667 | – |
| 2026 Jan 05 18:57 | 2025 Dec 30 08:06:47 | 99.6878 | 0.00713 | 12.6700 | 74.6973 | 128.2030 | 13.31667 | – |
| 2026 Jan 04 18:56 | 2025 Dec 30 08:06:47 | 99.6878 | 0.00713 | 12.6700 | 74.6973 | 128.2030 | 13.31667 | – |
| 2026 Jan 03 18:57 | 2025 Dec 30 08:06:47 | 99.6878 | 0.00713 | 12.6700 | 74.6973 | 128.2030 | 13.31667 | – |
| 2026 Jan 01 18:56 | 2025 Dec 30 08:06:47 | 99.6878 | 0.00713 | 12.6700 | 74.6973 | 128.2030 | 13.31667 | – |
| 2025 Dec 31 18:57 | 2025 Dec 30 08:06:47 | 99.6878 | 0.00713 | 12.6700 | 74.6973 | 128.2030 | 13.31667 | – |
| 2025 Dec 30 18:56 | 2025 Dec 18 18:07:42 | 99.6878 | 0.00712 | 11.9425 | 102.3439 | 128.2030 | 13.31667 | – |
| 2025 Dec 29 18:56 | 2025 Dec 18 18:07:42 | 99.6878 | 0.00712 | 11.9425 | 102.3439 | 128.2030 | 13.31667 | – |
| 2025 Dec 28 18:57 | 2025 Dec 18 18:07:42 | 99.6878 | 0.00712 | 11.9425 | 102.3439 | 128.2030 | 13.31667 | – |
| 2025 Dec 27 18:57 | 2025 Dec 18 18:07:42 | 99.6878 | 0.00712 | 11.9425 | 102.3439 | 128.2030 | 13.31667 | – |
| 2025 Dec 26 18:56 | 2025 Dec 18 18:07:42 | 99.6878 | 0.00712 | 11.9425 | 102.3439 | 128.2030 | 13.31667 | – |
| 2025 Dec 25 18:57 | 2025 Dec 18 18:07:42 | 99.6878 | 0.00712 | 11.9425 | 102.3439 | 128.2030 | 13.31667 | – |
| 2025 Dec 24 18:56 | 2025 Dec 18 18:07:42 | 99.6878 | 0.00712 | 11.9425 | 102.3439 | 128.2030 | 13.31667 | – |
| 2025 Dec 23 18:56 | 2025 Dec 18 18:07:42 | 99.6878 | 0.00712 | 11.9425 | 102.3439 | 128.2030 | 13.31667 | – |
| 2025 Dec 22 18:57 | 2025 Dec 18 18:07:42 | 99.6878 | 0.00712 | 11.9425 | 102.3439 | 128.2030 | 13.31667 | – |
| 2025 Dec 21 18:57 | 2025 Dec 18 18:07:42 | 99.6878 | 0.00712 | 11.9425 | 102.3439 | 128.2030 | 13.31667 | – |
| 2025 Dec 20 18:57 | 2025 Dec 18 18:07:42 | 99.6878 | 0.00712 | 11.9425 | 102.3439 | 128.2030 | 13.31667 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 07:55:25 | 99.6879 | 0.00712 | 11.4762 | 120.0885 | 128.2030 | 13.31667 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 07:55:25 | 99.6879 | 0.00712 | 11.4762 | 120.0885 | 128.2030 | 13.31667 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 07:55:25 | 99.6879 | 0.00712 | 11.4762 | 120.0885 | 128.2030 | 13.31667 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 07:55:25 | 99.6879 | 0.00712 | 11.4762 | 120.0885 | 128.2030 | 13.31667 | – |