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 | 21497 |
| 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 28 18:57 | 2025 Dec 26 14:26:38 | 100.0209 | 0.00595 | 19.2429 | 57.1812 | 117.6533 | 13.32972 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 14:26:38 | 100.0209 | 0.00595 | 19.2429 | 57.1812 | 117.6533 | 13.32972 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 14:26:38 | 100.0209 | 0.00595 | 19.2429 | 57.1812 | 117.6533 | 13.32972 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 117.6533 | 13.32972 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 117.6533 | 13.32972 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 117.6533 | 13.32972 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 117.6533 | 13.32972 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 117.6533 | 13.32972 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 117.6533 | 13.32972 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 117.6533 | 13.32972 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 117.6533 | 13.32972 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 117.6533 | 13.32972 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 117.6533 | 13.32972 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 117.6533 | 13.32972 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 117.6533 | 13.32972 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 117.6533 | 13.32972 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 117.6533 | 13.32972 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 18:17:15 | 100.0184 | 0.00594 | 17.9520 | 103.9611 | 117.6533 | 13.32972 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 18:17:15 | 100.0184 | 0.00594 | 17.9520 | 103.9611 | 117.6533 | 13.32972 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 18:17:15 | 100.0184 | 0.00594 | 17.9520 | 103.9611 | 117.6533 | 13.32972 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 18:17:15 | 100.0184 | 0.00594 | 17.9520 | 103.9611 | 117.6533 | 13.32972 | – |
| 2025 Dec 07 18:56 | 2025 Dec 06 18:17:15 | 100.0184 | 0.00594 | 17.9520 | 103.9611 | 117.6533 | 13.32972 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 08:20:09 | 100.0181 | 0.00594 | 17.6648 | 114.3989 | 117.6533 | 13.32972 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 08:20:09 | 100.0181 | 0.00594 | 17.6648 | 114.3989 | 117.6533 | 13.32972 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 08:20:09 | 100.0181 | 0.00594 | 17.6648 | 114.3989 | 117.6533 | 13.32972 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 08:20:09 | 100.0181 | 0.00594 | 17.6648 | 114.3989 | 117.6533 | 13.32972 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 08:20:09 | 100.0181 | 0.00594 | 17.6648 | 114.3989 | 117.6533 | 13.32972 | – |