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 | 21291 |
| 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 Jun 20 17:56 | 2026 Jun 17 03:57:24 | 99.8879 | 0.01376 | 22.1444 | 49.1255 | 7.8515 | 13.83374 | – |
| 2026 Jun 19 17:57 | 2026 Jun 17 03:57:24 | 99.8879 | 0.01376 | 22.1444 | 49.1255 | 7.8515 | 13.83374 | – |
| 2026 Jun 18 17:56 | 2026 Jun 17 03:57:24 | 99.8879 | 0.01376 | 22.1444 | 49.1255 | 7.8515 | 13.83374 | – |
| 2026 Jun 17 17:57 | 2026 Jun 17 03:57:24 | 99.8879 | 0.01376 | 22.1444 | 49.1255 | 7.8515 | 13.83374 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 06:14:33 | 99.8875 | 0.01378 | 21.8009 | 61.8735 | 7.8515 | 13.83374 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 06:14:33 | 99.8875 | 0.01378 | 21.8009 | 61.8735 | 7.8515 | 13.83374 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 06:14:33 | 99.8875 | 0.01378 | 21.8009 | 61.8735 | 7.8515 | 13.83374 | – |
| 2026 Jun 13 17:56 | 2026 Jun 12 06:14:33 | 99.8875 | 0.01378 | 21.8009 | 61.8735 | 7.8515 | 13.83374 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 06:14:33 | 99.8875 | 0.01378 | 21.8009 | 61.8735 | 7.8515 | 13.83374 | – |
| 2026 Jun 11 17:57 | 2026 Jun 06 17:47:38 | 99.8872 | 0.01380 | 21.4145 | 76.2045 | 7.8515 | 13.83374 | – |
| 2026 Jun 10 17:56 | 2026 Jun 06 17:47:38 | 99.8872 | 0.01380 | 21.4145 | 76.2045 | 7.8515 | 13.83374 | – |
| 2026 Jun 09 17:57 | 2026 Jun 06 17:47:38 | 99.8872 | 0.01380 | 21.4145 | 76.2045 | 7.8515 | 13.83374 | – |
| 2026 Jun 08 17:56 | 2026 Jun 06 17:47:38 | 99.8872 | 0.01380 | 21.4145 | 76.2045 | 7.8515 | 13.83374 | – |
| 2026 Jun 07 17:56 | 2026 Jun 06 17:47:38 | 99.8872 | 0.01380 | 21.4145 | 76.2045 | 7.8515 | 13.83374 | – |
| 2026 Jun 06 17:56 | 2026 May 30 10:42:48 | 99.8861 | 0.01381 | 20.9036 | 95.1454 | 7.8515 | 13.83374 | – |
| 2026 Jun 05 17:56 | 2026 May 30 10:42:48 | 99.8861 | 0.01381 | 20.9036 | 95.1454 | 7.8515 | 13.83374 | – |
| 2026 Jun 04 17:57 | 2026 May 30 10:42:48 | 99.8861 | 0.01381 | 20.9036 | 95.1454 | 7.8515 | 13.83374 | – |
| 2026 Jun 02 17:56 | 2026 May 30 10:42:48 | 99.8861 | 0.01381 | 20.9036 | 95.1454 | 7.8515 | 13.83374 | – |
| 2026 Jun 01 17:57 | 2026 May 30 10:42:48 | 99.8861 | 0.01381 | 20.9036 | 95.1454 | 7.8515 | 13.83374 | – |
| 2026 May 31 17:58 | 2026 May 30 10:42:48 | 99.8861 | 0.01381 | 20.9036 | 95.1454 | 7.8515 | 13.83374 | – |
| 2026 May 30 17:57 | 2026 May 25 17:40:06 | 99.8859 | 0.01382 | 20.5738 | 107.3529 | 7.8515 | 13.83374 | – |
| 2026 May 29 17:57 | 2026 May 25 17:40:06 | 99.8859 | 0.01382 | 20.5738 | 107.3529 | 7.8515 | 13.83374 | – |
| 2026 May 28 17:56 | 2026 May 25 17:40:06 | 99.8859 | 0.01382 | 20.5738 | 107.3529 | 7.8515 | 13.83374 | – |
| 2026 May 27 17:57 | 2026 May 25 17:40:06 | 99.8859 | 0.01382 | 20.5738 | 107.3529 | 7.8515 | 13.83374 | – |
| 2026 May 26 17:57 | 2026 May 25 17:40:06 | 99.8859 | 0.01382 | 20.5738 | 107.3529 | 7.8515 | 13.83374 | – |
| 2026 May 25 17:57 | 2026 May 21 09:34:59 | 99.8854 | 0.01382 | 20.2702 | 118.5974 | 7.8515 | 13.83374 | – |
| 2026 May 24 17:57 | 2026 May 21 09:34:59 | 99.8854 | 0.01382 | 20.2702 | 118.5974 | 7.8515 | 13.83374 | – |