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 | 21280 |
| 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 May 26 17:57 | 2026 May 26 06:22:08 | 99.3985 | 0.00499 | 21.3805 | 248.1154 | 285.5945 | 13.56057 | – |
| 2026 May 25 17:57 | 2026 May 21 10:33:21 | 99.3983 | 0.00498 | 21.0738 | 260.5575 | 285.5945 | 13.56057 | – |
| 2026 May 24 17:57 | 2026 May 21 10:33:21 | 99.3983 | 0.00498 | 21.0738 | 260.5575 | 285.5945 | 13.56057 | – |
| 2026 May 23 17:58 | 2026 May 21 10:33:21 | 99.3983 | 0.00498 | 21.0738 | 260.5575 | 285.5945 | 13.56057 | – |
| 2026 May 22 17:57 | 2026 May 21 10:33:21 | 99.3983 | 0.00498 | 21.0738 | 260.5575 | 285.5945 | 13.56057 | – |
| 2026 May 21 17:57 | 2026 May 21 10:33:21 | 99.3983 | 0.00498 | 21.0738 | 260.5575 | 285.5945 | 13.56057 | – |
| 2026 May 20 17:57 | 2026 May 16 10:08:48 | 99.3980 | 0.00498 | 20.7550 | 273.5054 | 285.5945 | 13.56057 | – |
| 2026 May 19 17:58 | 2026 May 16 10:08:48 | 99.3980 | 0.00498 | 20.7550 | 273.5054 | 285.5945 | 13.56057 | – |
| 2026 May 18 17:57 | 2026 May 16 10:08:48 | 99.3980 | 0.00498 | 20.7550 | 273.5054 | 285.5945 | 13.56057 | – |
| 2026 May 17 17:57 | 2026 May 16 10:08:48 | 99.3980 | 0.00498 | 20.7550 | 273.5054 | 285.5945 | 13.56057 | – |
| 2026 May 16 17:56 | 2026 May 16 10:08:48 | 99.3980 | 0.00498 | 20.7550 | 273.5054 | 285.5945 | 13.56057 | – |
| 2026 May 15 17:57 | 2026 May 10 10:50:41 | 99.3979 | 0.00498 | 20.3755 | 288.9118 | 285.5945 | 13.56057 | – |
| 2026 May 14 17:58 | 2026 May 10 10:50:41 | 99.3979 | 0.00498 | 20.3755 | 288.9118 | 285.5945 | 13.56057 | – |
| 2026 May 13 17:58 | 2026 May 10 10:50:41 | 99.3979 | 0.00498 | 20.3755 | 288.9118 | 285.5945 | 13.56057 | – |
| 2026 May 12 17:58 | 2026 May 10 10:50:41 | 99.3979 | 0.00498 | 20.3755 | 288.9118 | 285.5945 | 13.56057 | – |
| 2026 May 11 17:56 | 2026 May 10 10:50:41 | 99.3979 | 0.00498 | 20.3755 | 288.9118 | 285.5945 | 13.56057 | – |
| 2026 May 10 17:57 | 2026 May 10 10:50:41 | 99.3979 | 0.00498 | 20.3755 | 288.9118 | 285.5945 | 13.56057 | – |
| 2026 May 09 17:57 | 2026 May 05 10:28:54 | 99.3975 | 0.00499 | 20.0568 | 301.8368 | 285.5945 | 13.56057 | – |
| 2026 May 08 17:57 | 2026 May 05 10:28:54 | 99.3975 | 0.00499 | 20.0568 | 301.8368 | 285.5945 | 13.56057 | – |
| 2026 May 07 17:58 | 2026 May 05 10:28:54 | 99.3975 | 0.00499 | 20.0568 | 301.8368 | 285.5945 | 13.56057 | – |
| 2026 May 06 17:57 | 2026 May 05 10:28:54 | 99.3975 | 0.00499 | 20.0568 | 301.8368 | 285.5945 | 13.56057 | – |
| 2026 May 05 17:57 | 2026 May 05 10:28:54 | 99.3975 | 0.00499 | 20.0568 | 301.8368 | 285.5945 | 13.56057 | – |
| 2026 May 04 17:57 | 2026 Apr 30 11:49:18 | 99.3971 | 0.00500 | 19.7426 | 314.5447 | 285.5945 | 13.56057 | – |
| 2026 May 03 17:57 | 2026 Apr 30 11:49:18 | 99.3971 | 0.00500 | 19.7426 | 314.5447 | 285.5945 | 13.56057 | – |
| 2026 May 02 17:57 | 2026 Apr 30 11:49:18 | 99.3971 | 0.00500 | 19.7426 | 314.5447 | 285.5945 | 13.56057 | – |
| 2026 May 01 17:56 | 2026 Apr 30 11:49:18 | 99.3971 | 0.00500 | 19.7426 | 314.5447 | 285.5945 | 13.56057 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 11:49:18 | 99.3971 | 0.00500 | 19.7426 | 314.5447 | 285.5945 | 13.56057 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 05:54:47 | 99.3969 | 0.00502 | 19.3457 | 330.5673 | 285.5945 | 13.56057 | – |