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 | 21598 |
| 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 Feb 26 20:45 | 2026 Feb 26 12:02:39 | 99.5596 | 0.03506 | 4.0354 | 357.3201 | 153.7425 | 12.84301 | – |
| 2026 Feb 05 18:58 | 2026 Feb 01 22:38:48 | 99.5580 | 0.03511 | 2.6338 | 51.8658 | 153.7425 | 12.84301 | – |
| 2026 Feb 04 18:57 | 2026 Feb 01 22:38:48 | 99.5580 | 0.03511 | 2.6338 | 51.8658 | 153.7425 | 12.84301 | – |
| 2026 Feb 03 18:56 | 2026 Feb 01 22:38:48 | 99.5580 | 0.03511 | 2.6338 | 51.8658 | 153.7425 | 12.84301 | – |
| 2026 Feb 02 18:56 | 2026 Feb 01 22:38:48 | 99.5580 | 0.03511 | 2.6338 | 51.8658 | 153.7425 | 12.84301 | – |
| 2026 Feb 01 18:56 | 2026 Jan 27 12:14:07 | 99.5582 | 0.03512 | 2.3238 | 63.9318 | 153.7425 | 12.84301 | – |
| 2026 Jan 31 18:56 | 2026 Jan 27 12:14:07 | 99.5582 | 0.03512 | 2.3238 | 63.9318 | 153.7425 | 12.84301 | – |
| 2026 Jan 30 18:57 | 2026 Jan 27 12:14:07 | 99.5582 | 0.03512 | 2.3238 | 63.9318 | 153.7425 | 12.84301 | – |