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 | 21551 |
| 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 04 18:57 | 2026 Feb 02 05:40:01 | 99.7973 | 0.01054 | 19.7331 | 272.1338 | 241.3665 | 13.24588 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 05:40:01 | 99.7973 | 0.01054 | 19.7331 | 272.1338 | 241.3665 | 13.24588 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 05:40:01 | 99.7973 | 0.01054 | 19.7331 | 272.1338 | 241.3665 | 13.24588 | – |
| 2026 Feb 01 18:56 | 2026 Jan 27 16:41:29 | 99.7968 | 0.01055 | 19.3855 | 285.3247 | 241.3665 | 13.24588 | – |
| 2026 Jan 31 18:56 | 2026 Jan 27 16:41:29 | 99.7968 | 0.01055 | 19.3855 | 285.3247 | 241.3665 | 13.24588 | – |
| 2026 Jan 30 18:57 | 2026 Jan 27 16:41:29 | 99.7968 | 0.01055 | 19.3855 | 285.3247 | 241.3665 | 13.24588 | – |
| 2026 Jan 29 18:56 | 2026 Jan 27 16:41:29 | 99.7968 | 0.01055 | 19.3855 | 285.3247 | 241.3665 | 13.24588 | – |
| 2026 Jan 28 18:56 | 2026 Jan 27 16:41:29 | 99.7968 | 0.01055 | 19.3855 | 285.3247 | 241.3665 | 13.24588 | – |
| 2026 Jan 27 18:56 | 2026 Jan 18 17:07:57 | 99.7986 | 0.01058 | 18.8222 | 306.6357 | 241.3665 | 13.24588 | – |
| 2026 Jan 26 18:57 | 2026 Jan 18 17:07:57 | 99.7986 | 0.01058 | 18.8222 | 306.6357 | 241.3665 | 13.24588 | – |
| 2026 Jan 25 18:57 | 2026 Jan 18 17:07:57 | 99.7986 | 0.01058 | 18.8222 | 306.6357 | 241.3665 | 13.24588 | – |
| 2026 Jan 24 18:58 | 2026 Jan 18 17:07:57 | 99.7986 | 0.01058 | 18.8222 | 306.6357 | 241.3665 | 13.24588 | – |
| 2026 Jan 22 18:56 | 2026 Jan 18 17:07:57 | 99.7986 | 0.01058 | 18.8222 | 306.6357 | 241.3665 | 13.24588 | – |
| 2026 Jan 21 18:56 | 2026 Jan 13 17:18:52 | 99.7986 | 0.01059 | 18.5091 | 318.4446 | 241.3665 | 13.24588 | – |
| 2026 Jan 20 19:06 | 2026 Jan 13 17:18:52 | 99.7986 | 0.01059 | 18.5091 | 318.4446 | 241.3665 | 13.24588 | – |
| 2026 Jan 19 18:57 | 2026 Jan 13 17:18:52 | 99.7986 | 0.01059 | 18.5091 | 318.4446 | 241.3665 | 13.24588 | – |
| 2026 Jan 18 18:57 | 2026 Jan 13 17:18:52 | 99.7986 | 0.01059 | 18.5091 | 318.4446 | 241.3665 | 13.24588 | – |
| 2026 Jan 17 18:56 | 2026 Jan 13 17:18:52 | 99.7986 | 0.01059 | 18.5091 | 318.4446 | 241.3665 | 13.24588 | – |
| 2026 Jan 16 18:57 | 2026 Jan 13 17:18:52 | 99.7986 | 0.01059 | 18.5091 | 318.4446 | 241.3665 | 13.24588 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 04:20:45 | 99.7984 | 0.01060 | 18.3497 | 324.4335 | 241.3665 | 13.24588 | – |
| 2026 Jan 13 18:56 | 2026 Jan 11 04:20:45 | 99.7984 | 0.01060 | 18.3497 | 324.4335 | 241.3665 | 13.24588 | – |
| 2026 Jan 11 18:57 | 2026 Jan 11 04:20:45 | 99.7984 | 0.01060 | 18.3497 | 324.4335 | 241.3665 | 13.24588 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 04:41:38 | 99.7984 | 0.01061 | 18.0370 | 336.1604 | 241.3665 | 13.24588 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 04:41:38 | 99.7984 | 0.01061 | 18.0370 | 336.1604 | 241.3665 | 13.24588 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 04:41:38 | 99.7984 | 0.01061 | 18.0370 | 336.1604 | 241.3665 | 13.24588 | – |