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 | 21498 |
| 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 05:45:14 | 99.7091 | 0.02631 | 23.4330 | 298.4195 | 222.6299 | 12.95228 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 06:58:19 | 99.7093 | 0.02636 | 23.0816 | 311.8202 | 222.6299 | 12.95228 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 06:58:19 | 99.7093 | 0.02636 | 23.0816 | 311.8202 | 222.6299 | 12.95228 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 06:58:19 | 99.7093 | 0.02636 | 23.0816 | 311.8202 | 222.6299 | 12.95228 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 06:58:19 | 99.7093 | 0.02636 | 23.0816 | 311.8202 | 222.6299 | 12.95228 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 06:58:19 | 99.7093 | 0.02636 | 23.0816 | 311.8202 | 222.6299 | 12.95228 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 06:58:19 | 99.7093 | 0.02636 | 23.0816 | 311.8202 | 222.6299 | 12.95228 | – |
| 2026 Feb 05 18:58 | 2026 Feb 02 06:24:44 | 99.7083 | 0.02646 | 21.6630 | 5.7374 | 222.6299 | 12.95228 | – |