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 |
| 2026 Jan 11 18:57 | 2026 Jan 10 07:55:26 | 99.9606 | 0.02822 | 19.0088 | 184.0840 | 303.5270 | 13.43835 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 07:24:02 | 99.9608 | 0.02825 | 18.7433 | 194.0407 | 303.5270 | 13.43835 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 07:24:02 | 99.9608 | 0.02825 | 18.7433 | 194.0407 | 303.5270 | 13.43835 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 07:24:02 | 99.9608 | 0.02825 | 18.7433 | 194.0407 | 303.5270 | 13.43835 | – |
| 2026 Jan 07 18:57 | 2026 Jan 06 07:24:02 | 99.9608 | 0.02825 | 18.7433 | 194.0407 | 303.5270 | 13.43835 | – |
| 2026 Jan 06 18:56 | 2026 Jan 06 07:24:02 | 99.9608 | 0.02825 | 18.7433 | 194.0407 | 303.5270 | 13.43835 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 08:29:56 | 99.9601 | 0.02833 | 18.3502 | 208.7592 | 303.5270 | 13.43835 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 08:29:56 | 99.9601 | 0.02833 | 18.3502 | 208.7592 | 303.5270 | 13.43835 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 08:29:56 | 99.9601 | 0.02833 | 18.3502 | 208.7592 | 303.5270 | 13.43835 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 08:29:56 | 99.9601 | 0.02833 | 18.3502 | 208.7592 | 303.5270 | 13.43835 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 08:29:56 | 99.9601 | 0.02833 | 18.3502 | 208.7592 | 303.5270 | 13.43835 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 12:36:47 | 99.9598 | 0.02840 | 18.0314 | 220.6497 | 303.5270 | 13.43835 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 12:36:47 | 99.9598 | 0.02840 | 18.0314 | 220.6497 | 303.5270 | 13.43835 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 12:36:47 | 99.9598 | 0.02840 | 18.0314 | 220.6497 | 303.5270 | 13.43835 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 12:36:47 | 99.9598 | 0.02840 | 18.0314 | 220.6497 | 303.5270 | 13.43835 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 12:36:47 | 99.9598 | 0.02840 | 18.0314 | 220.6497 | 303.5270 | 13.43835 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 303.5270 | 13.43835 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 303.5270 | 13.43835 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 303.5270 | 13.43835 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 303.5270 | 13.43835 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 303.5270 | 13.43835 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 00:18:36 | 99.9599 | 0.02852 | 17.6014 | 236.6446 | 303.5270 | 13.43835 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 303.5270 | 13.43835 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 303.5270 | 13.43835 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 303.5270 | 13.43835 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 07:02:16 | 99.9585 | 0.02867 | 17.0917 | 255.5276 | 303.5270 | 13.43835 | – |