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 | 21283 |
| 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 06:24:20 | 99.7900 | 0.02422 | 7.4349 | 282.4384 | 91.7027 | 12.97930 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 06:24:20 | 99.7900 | 0.02422 | 7.4349 | 282.4384 | 91.7027 | 12.97930 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 13:31:42 | 99.7907 | 0.02420 | 7.1535 | 293.0934 | 91.7027 | 12.97930 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 13:31:42 | 99.7907 | 0.02420 | 7.1535 | 293.0934 | 91.7027 | 12.97930 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 13:31:42 | 99.7907 | 0.02420 | 7.1535 | 293.0934 | 91.7027 | 12.97930 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 13:31:42 | 99.7907 | 0.02420 | 7.1535 | 293.0934 | 91.7027 | 12.97930 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 13:31:42 | 99.7907 | 0.02420 | 7.1535 | 293.0934 | 91.7027 | 12.97930 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 06:03:42 | 99.7916 | 0.02420 | 6.7758 | 307.3886 | 91.7027 | 12.97930 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 06:03:42 | 99.7916 | 0.02420 | 6.7758 | 307.3886 | 91.7027 | 12.97930 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 06:03:42 | 99.7916 | 0.02420 | 6.7758 | 307.3886 | 91.7027 | 12.97930 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 06:03:42 | 99.7916 | 0.02420 | 6.7758 | 307.3886 | 91.7027 | 12.97930 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 06:03:42 | 99.7916 | 0.02420 | 6.7758 | 307.3886 | 91.7027 | 12.97930 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 06:03:42 | 99.7916 | 0.02420 | 6.7758 | 307.3886 | 91.7027 | 12.97930 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 07:33:02 | 99.7912 | 0.02422 | 6.3008 | 325.3660 | 91.7027 | 12.97930 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 07:33:02 | 99.7912 | 0.02422 | 6.3008 | 325.3660 | 91.7027 | 12.97930 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 07:33:02 | 99.7912 | 0.02422 | 6.3008 | 325.3660 | 91.7027 | 12.97930 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 07:33:02 | 99.7912 | 0.02422 | 6.3008 | 325.3660 | 91.7027 | 12.97930 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 07:33:02 | 99.7912 | 0.02422 | 6.3008 | 325.3660 | 91.7027 | 12.97930 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 07:33:02 | 99.7912 | 0.02422 | 6.3008 | 325.3660 | 91.7027 | 12.97930 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 07:33:02 | 99.7912 | 0.02422 | 6.3008 | 325.3660 | 91.7027 | 12.97930 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 07:33:02 | 99.7912 | 0.02422 | 6.3008 | 325.3660 | 91.7027 | 12.97930 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 07:06:46 | 99.7904 | 0.02422 | 6.0005 | 336.7524 | 91.7027 | 12.97930 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 07:06:46 | 99.7904 | 0.02422 | 6.0005 | 336.7524 | 91.7027 | 12.97930 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 07:06:46 | 99.7904 | 0.02422 | 6.0005 | 336.7524 | 91.7027 | 12.97930 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 07:06:46 | 99.7904 | 0.02422 | 6.0005 | 336.7524 | 91.7027 | 12.97930 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 07:06:46 | 99.7904 | 0.02422 | 6.0005 | 336.7524 | 91.7027 | 12.97930 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 07:00:58 | 99.7901 | 0.02423 | 5.7011 | 348.1204 | 91.7027 | 12.97930 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 07:00:58 | 99.7901 | 0.02423 | 5.7011 | 348.1204 | 91.7027 | 12.97930 | – |