Orbital elements of THOR DELTA 1 R/B
| Launched | 5 October 1981 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 12889 |
| 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 05 18:58 | 2026 Feb 02 07:22:30 | 99.9083 | 0.13073 | 19.1368 | 186.4993 | 299.7519 | 12.20090 | 4.743 |
| 2026 Feb 04 18:57 | 2026 Feb 02 07:22:30 | 99.9083 | 0.13073 | 19.1368 | 186.4993 | 299.7519 | 12.20090 | 4.743 |
| 2026 Feb 03 18:56 | 2026 Feb 02 07:22:30 | 99.9083 | 0.13073 | 19.1368 | 186.4993 | 299.7519 | 12.20090 | 4.743 |
| 2026 Feb 02 18:56 | 2026 Feb 02 07:22:30 | 99.9083 | 0.13073 | 19.1368 | 186.4993 | 299.7519 | 12.20090 | 4.743 |
| 2026 Feb 01 18:56 | 2026 Jan 27 16:52:54 | 99.9085 | 0.13071 | 18.8331 | 197.7867 | 299.7519 | 12.20090 | 4.743 |
| 2026 Jan 31 18:56 | 2026 Jan 27 16:52:54 | 99.9085 | 0.13071 | 18.8331 | 197.7867 | 299.7519 | 12.20090 | 4.743 |
| 2026 Jan 30 18:57 | 2026 Jan 27 16:52:54 | 99.9085 | 0.13071 | 18.8331 | 197.7867 | 299.7519 | 12.20090 | 4.743 |
| 2026 Jan 29 18:56 | 2026 Jan 27 16:52:54 | 99.9085 | 0.13071 | 18.8331 | 197.7867 | 299.7519 | 12.20090 | 4.743 |