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 | 21501 |
| 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 06:47:24 | 99.8112 | 0.05499 | 22.1571 | 64.0072 | 83.6026 | 12.47802 | – |
| 2026 Feb 05 18:58 | 2026 Feb 02 07:17:12 | 99.8120 | 0.05488 | 20.8395 | 113.6180 | 83.6026 | 12.47802 | – |
| 2026 Feb 04 18:57 | 2026 Feb 02 07:17:12 | 99.8120 | 0.05488 | 20.8395 | 113.6180 | 83.6026 | 12.47802 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 07:17:12 | 99.8120 | 0.05488 | 20.8395 | 113.6180 | 83.6026 | 12.47802 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 07:17:12 | 99.8120 | 0.05488 | 20.8395 | 113.6180 | 83.6026 | 12.47802 | – |
| 2026 Feb 01 18:56 | 2026 Jan 27 06:59:08 | 99.8121 | 0.05486 | 20.5091 | 126.0692 | 83.6026 | 12.47802 | – |
| 2026 Jan 31 18:56 | 2026 Jan 27 06:59:08 | 99.8121 | 0.05486 | 20.5091 | 126.0692 | 83.6026 | 12.47802 | – |
| 2026 Jan 30 18:57 | 2026 Jan 27 06:59:08 | 99.8121 | 0.05486 | 20.5091 | 126.0692 | 83.6026 | 12.47802 | – |