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 | 21355 |
| 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 22 18:56 | 2026 Jan 22 05:28:39 | 99.6225 | 0.01499 | 0.5468 | 348.0411 | 28.8561 | 13.14184 | – |
| 2026 Jan 21 18:56 | 2026 Jan 16 11:09:02 | 99.6214 | 0.01501 | 0.1982 | 1.5149 | 28.8561 | 13.14184 | – |
| 2026 Jan 20 19:06 | 2026 Jan 16 11:09:02 | 99.6214 | 0.01501 | 0.1982 | 1.5149 | 28.8561 | 13.14184 | – |
| 2026 Jan 19 18:57 | 2026 Jan 16 11:09:02 | 99.6214 | 0.01501 | 0.1982 | 1.5149 | 28.8561 | 13.14184 | – |
| 2026 Jan 18 18:57 | 2026 Jan 16 11:09:02 | 99.6214 | 0.01501 | 0.1982 | 1.5149 | 28.8561 | 13.14184 | – |
| 2026 Jan 17 18:56 | 2026 Jan 16 11:09:02 | 99.6214 | 0.01501 | 0.1982 | 1.5149 | 28.8561 | 13.14184 | – |
| 2026 Jan 16 18:57 | 2026 Jan 16 11:09:02 | 99.6214 | 0.01501 | 0.1982 | 1.5149 | 28.8561 | 13.14184 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 12:21:33 | 99.6209 | 0.01502 | 23.8988 | 13.0695 | 28.8561 | 13.14184 | – |
| 2026 Jan 13 18:56 | 2026 Jan 11 12:21:33 | 99.6209 | 0.01502 | 23.8988 | 13.0695 | 28.8561 | 13.14184 | – |
| 2026 Jan 11 18:57 | 2026 Jan 11 12:21:33 | 99.6209 | 0.01502 | 23.8988 | 13.0695 | 28.8561 | 13.14184 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 05:46:54 | 99.6203 | 0.01503 | 23.5799 | 25.3666 | 28.8561 | 13.14184 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 05:46:54 | 99.6203 | 0.01503 | 23.5799 | 25.3666 | 28.8561 | 13.14184 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 05:46:54 | 99.6203 | 0.01503 | 23.5799 | 25.3666 | 28.8561 | 13.14184 | – |
| 2026 Jan 07 18:57 | 2026 Jan 06 05:46:54 | 99.6203 | 0.01503 | 23.5799 | 25.3666 | 28.8561 | 13.14184 | – |
| 2026 Jan 06 18:56 | 2026 Jan 06 05:46:54 | 99.6203 | 0.01503 | 23.5799 | 25.3666 | 28.8561 | 13.14184 | – |
| 2026 Jan 05 18:57 | 2025 Dec 30 22:11:13 | 99.6194 | 0.01505 | 23.1979 | 40.0910 | 28.8561 | 13.14184 | – |
| 2026 Jan 04 18:56 | 2025 Dec 30 22:11:13 | 99.6194 | 0.01505 | 23.1979 | 40.0910 | 28.8561 | 13.14184 | – |
| 2026 Jan 03 18:57 | 2025 Dec 30 22:11:13 | 99.6194 | 0.01505 | 23.1979 | 40.0910 | 28.8561 | 13.14184 | – |
| 2026 Jan 01 18:56 | 2025 Dec 30 22:11:13 | 99.6194 | 0.01505 | 23.1979 | 40.0910 | 28.8561 | 13.14184 | – |
| 2025 Dec 31 18:57 | 2025 Dec 30 22:11:13 | 99.6194 | 0.01505 | 23.1979 | 40.0910 | 28.8561 | 13.14184 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 11:00:54 | 99.6191 | 0.01506 | 22.9279 | 50.4937 | 28.8561 | 13.14184 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 11:00:54 | 99.6191 | 0.01506 | 22.9279 | 50.4937 | 28.8561 | 13.14184 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 11:00:54 | 99.6191 | 0.01506 | 22.9279 | 50.4937 | 28.8561 | 13.14184 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 11:00:54 | 99.6191 | 0.01506 | 22.9279 | 50.4937 | 28.8561 | 13.14184 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 11:00:54 | 99.6191 | 0.01506 | 22.9279 | 50.4937 | 28.8561 | 13.14184 | – |