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 | 21516 |
| 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 27 18:56 | 2026 Jan 22 07:35:39 | 99.7909 | 0.00693 | 10.8368 | 300.8596 | 88.2073 | 13.32931 | – |
| 2026 Jan 26 18:57 | 2026 Jan 22 07:35:39 | 99.7909 | 0.00693 | 10.8368 | 300.8596 | 88.2073 | 13.32931 | – |
| 2026 Jan 25 18:57 | 2026 Jan 22 07:35:39 | 99.7909 | 0.00693 | 10.8368 | 300.8596 | 88.2073 | 13.32931 | – |
| 2026 Jan 24 18:58 | 2026 Jan 22 07:35:39 | 99.7909 | 0.00693 | 10.8368 | 300.8596 | 88.2073 | 13.32931 | – |
| 2026 Jan 22 18:56 | 2026 Jan 22 07:35:39 | 99.7909 | 0.00693 | 10.8368 | 300.8596 | 88.2073 | 13.32931 | – |
| 2026 Jan 21 18:56 | 2026 Jan 16 07:28:56 | 99.7902 | 0.00693 | 10.4548 | 315.4202 | 88.2073 | 13.32931 | – |
| 2026 Jan 20 19:06 | 2026 Jan 16 07:28:56 | 99.7902 | 0.00693 | 10.4548 | 315.4202 | 88.2073 | 13.32931 | – |
| 2026 Jan 19 18:57 | 2026 Jan 16 07:28:56 | 99.7902 | 0.00693 | 10.4548 | 315.4202 | 88.2073 | 13.32931 | – |
| 2026 Jan 18 18:57 | 2026 Jan 16 07:28:56 | 99.7902 | 0.00693 | 10.4548 | 315.4202 | 88.2073 | 13.32931 | – |
| 2026 Jan 17 18:56 | 2026 Jan 16 07:28:56 | 99.7902 | 0.00693 | 10.4548 | 315.4202 | 88.2073 | 13.32931 | – |
| 2026 Jan 16 18:57 | 2026 Jan 16 07:28:56 | 99.7902 | 0.00693 | 10.4548 | 315.4202 | 88.2073 | 13.32931 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 15:41:57 | 99.7899 | 0.00693 | 10.1586 | 326.7218 | 88.2073 | 13.32931 | – |
| 2026 Jan 13 18:56 | 2026 Jan 11 15:41:57 | 99.7899 | 0.00693 | 10.1586 | 326.7218 | 88.2073 | 13.32931 | – |
| 2026 Jan 11 18:57 | 2026 Jan 11 15:41:57 | 99.7899 | 0.00693 | 10.1586 | 326.7218 | 88.2073 | 13.32931 | – |
| 2026 Jan 10 18:57 | 2026 Jan 05 03:47:54 | 99.7898 | 0.00693 | 9.7455 | 342.4747 | 88.2073 | 13.32931 | – |
| 2026 Jan 09 18:57 | 2026 Jan 05 03:47:54 | 99.7898 | 0.00693 | 9.7455 | 342.4747 | 88.2073 | 13.32931 | – |
| 2026 Jan 08 18:56 | 2026 Jan 05 03:47:54 | 99.7898 | 0.00693 | 9.7455 | 342.4747 | 88.2073 | 13.32931 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 03:47:54 | 99.7898 | 0.00693 | 9.7455 | 342.4747 | 88.2073 | 13.32931 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 03:47:54 | 99.7898 | 0.00693 | 9.7455 | 342.4747 | 88.2073 | 13.32931 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 03:06:22 | 99.7897 | 0.00694 | 9.4257 | 354.6835 | 88.2073 | 13.32931 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 03:06:22 | 99.7897 | 0.00694 | 9.4257 | 354.6835 | 88.2073 | 13.32931 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 03:06:22 | 99.7897 | 0.00694 | 9.4257 | 354.6835 | 88.2073 | 13.32931 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 03:06:22 | 99.7897 | 0.00694 | 9.4257 | 354.6835 | 88.2073 | 13.32931 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 03:06:22 | 99.7897 | 0.00694 | 9.4257 | 354.6835 | 88.2073 | 13.32931 | – |