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 | 21457 |
| 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 29 18:56 | 2025 Dec 26 12:36:47 | 99.9598 | 0.02840 | 18.0314 | 220.6497 | 322.0518 | 13.43797 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 12:36:47 | 99.9598 | 0.02840 | 18.0314 | 220.6497 | 322.0518 | 13.43797 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 12:36:47 | 99.9598 | 0.02840 | 18.0314 | 220.6497 | 322.0518 | 13.43797 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 12:36:47 | 99.9598 | 0.02840 | 18.0314 | 220.6497 | 322.0518 | 13.43797 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 322.0518 | 13.43797 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 322.0518 | 13.43797 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 322.0518 | 13.43797 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 322.0518 | 13.43797 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 322.0518 | 13.43797 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 322.0518 | 13.43797 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 322.0518 | 13.43797 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 322.0518 | 13.43797 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 322.0518 | 13.43797 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 322.0518 | 13.43797 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 322.0518 | 13.43797 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 322.0518 | 13.43797 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 322.0518 | 13.43797 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 322.0518 | 13.43797 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 05:41:15 | 99.9585 | 0.02879 | 16.7579 | 267.8332 | 322.0518 | 13.43797 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 05:41:15 | 99.9585 | 0.02879 | 16.7579 | 267.8332 | 322.0518 | 13.43797 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 05:41:15 | 99.9585 | 0.02879 | 16.7579 | 267.8332 | 322.0518 | 13.43797 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 05:41:15 | 99.9585 | 0.02879 | 16.7579 | 267.8332 | 322.0518 | 13.43797 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 05:41:15 | 99.9585 | 0.02879 | 16.7579 | 267.8332 | 322.0518 | 13.43797 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 07:34:42 | 99.9583 | 0.02889 | 16.4330 | 279.7803 | 322.0518 | 13.43797 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 07:34:42 | 99.9583 | 0.02889 | 16.4330 | 279.7803 | 322.0518 | 13.43797 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 07:34:42 | 99.9583 | 0.02889 | 16.4330 | 279.7803 | 322.0518 | 13.43797 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 07:34:42 | 99.9583 | 0.02889 | 16.4330 | 279.7803 | 322.0518 | 13.43797 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 07:34:42 | 99.9583 | 0.02889 | 16.4330 | 279.7803 | 322.0518 | 13.43797 | – |