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 | 21515 |
| 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 15:46:16 | 99.7123 | 0.02744 | 8.3101 | 110.6751 | 39.1300 | 12.98735 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 03:50:28 | 99.7131 | 0.02745 | 7.9238 | 125.3687 | 39.1300 | 12.98735 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 03:50:28 | 99.7131 | 0.02745 | 7.9238 | 125.3687 | 39.1300 | 12.98735 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 03:50:28 | 99.7131 | 0.02745 | 7.9238 | 125.3687 | 39.1300 | 12.98735 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 03:50:28 | 99.7131 | 0.02745 | 7.9238 | 125.3687 | 39.1300 | 12.98735 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 03:50:28 | 99.7131 | 0.02745 | 7.9238 | 125.3687 | 39.1300 | 12.98735 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 03:50:28 | 99.7131 | 0.02745 | 7.9238 | 125.3687 | 39.1300 | 12.98735 | – |
| 2026 Feb 05 18:58 | 2026 Feb 02 03:00:10 | 99.7183 | 0.02747 | 6.4941 | 179.6192 | 39.1300 | 12.98735 | – |