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 | 21288 |
| 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 Mar 04 18:57 | 2026 Mar 04 07:06:56 | 99.6834 | 0.03574 | 0.5149 | 54.3673 | 97.9002 | 12.75758 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 01:58:03 | 99.6825 | 0.03572 | 0.1612 | 67.8844 | 97.9002 | 12.75758 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 01:58:03 | 99.6825 | 0.03572 | 0.1612 | 67.8844 | 97.9002 | 12.75758 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 01:58:03 | 99.6825 | 0.03572 | 0.1612 | 67.8844 | 97.9002 | 12.75758 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 01:58:03 | 99.6825 | 0.03572 | 0.1612 | 67.8844 | 97.9002 | 12.75758 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 01:58:03 | 99.6825 | 0.03572 | 0.1612 | 67.8844 | 97.9002 | 12.75758 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 01:58:03 | 99.6825 | 0.03572 | 0.1612 | 67.8844 | 97.9002 | 12.75758 | – |
| 2026 Feb 05 18:58 | 2026 Feb 02 06:20:20 | 99.6793 | 0.03565 | 22.8061 | 119.7821 | 97.9002 | 12.75758 | – |