Orbital elements of DELTA 1 R/B
| Launched | 21 November 1969 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 4251 |
| 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 07:51:25 | 27.8126 | 0.55425 | 9.5551 | 202.1718 | 119.4037 | 4.64291 | 6.743 |
| 2026 Feb 04 18:57 | 2026 Feb 02 07:51:25 | 27.8126 | 0.55425 | 9.5551 | 202.1718 | 119.4037 | 4.64291 | 6.743 |
| 2026 Feb 03 18:56 | 2026 Feb 02 07:51:25 | 27.8126 | 0.55425 | 9.5551 | 202.1718 | 119.4037 | 4.64291 | 6.743 |
| 2026 Feb 02 18:56 | 2026 Feb 02 07:51:25 | 27.8126 | 0.55425 | 9.5551 | 202.1718 | 119.4037 | 4.64291 | 6.743 |
| 2026 Feb 01 18:56 | 2026 Jan 27 17:45:22 | 27.8074 | 0.55421 | 9.8855 | 194.0156 | 119.4037 | 4.64291 | 6.743 |
| 2026 Jan 31 18:56 | 2026 Jan 27 17:45:22 | 27.8074 | 0.55421 | 9.8855 | 194.0156 | 119.4037 | 4.64291 | 6.743 |
| 2026 Jan 30 18:57 | 2026 Jan 27 17:45:22 | 27.8074 | 0.55421 | 9.8855 | 194.0156 | 119.4037 | 4.64291 | 6.743 |
| 2026 Jan 29 18:56 | 2026 Jan 27 17:45:22 | 27.8074 | 0.55421 | 9.8855 | 194.0156 | 119.4037 | 4.64291 | 6.743 |