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 | 21387 |
| 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 Aug 20 17:57 | 2026 Aug 18 17:52:28 | 99.4884 | 0.00474 | 10.5345 | 104.6641 | 285.4397 | 13.46392 | – |
| 2026 Aug 19 17:57 | 2026 Aug 18 17:52:28 | 99.4884 | 0.00474 | 10.5345 | 104.6641 | 285.4397 | 13.46392 | – |
| 2026 Aug 18 17:56 | 2026 Aug 12 07:18:59 | 99.4886 | 0.00470 | 10.1281 | 120.4494 | 285.4397 | 13.46392 | – |
| 2026 Aug 17 17:56 | 2026 Aug 12 07:18:59 | 99.4886 | 0.00470 | 10.1281 | 120.4494 | 285.4397 | 13.46392 | – |
| 2026 Aug 16 17:56 | 2026 Aug 12 07:18:59 | 99.4886 | 0.00470 | 10.1281 | 120.4494 | 285.4397 | 13.46392 | – |
| 2026 Aug 15 17:57 | 2026 Aug 12 07:18:59 | 99.4886 | 0.00470 | 10.1281 | 120.4494 | 285.4397 | 13.46392 | – |
| 2026 Aug 14 17:56 | 2026 Aug 12 07:18:59 | 99.4886 | 0.00470 | 10.1281 | 120.4494 | 285.4397 | 13.46392 | – |
| 2026 Aug 13 17:57 | 2026 Aug 12 07:18:59 | 99.4886 | 0.00470 | 10.1281 | 120.4494 | 285.4397 | 13.46392 | – |
| 2026 Aug 12 17:56 | 2026 Aug 06 08:30:01 | 99.4888 | 0.00465 | 9.7525 | 135.1744 | 285.4397 | 13.46392 | – |
| 2026 Aug 11 17:56 | 2026 Aug 06 08:30:01 | 99.4888 | 0.00465 | 9.7525 | 135.1744 | 285.4397 | 13.46392 | – |
| 2026 Aug 10 17:56 | 2026 Aug 06 08:30:01 | 99.4888 | 0.00465 | 9.7525 | 135.1744 | 285.4397 | 13.46392 | – |
| 2026 Aug 09 17:57 | 2026 Aug 06 08:30:01 | 99.4888 | 0.00465 | 9.7525 | 135.1744 | 285.4397 | 13.46392 | – |
| 2026 Aug 08 17:57 | 2026 Aug 06 08:30:01 | 99.4888 | 0.00465 | 9.7525 | 135.1744 | 285.4397 | 13.46392 | – |
| 2026 Aug 07 17:57 | 2026 Aug 06 08:30:01 | 99.4888 | 0.00465 | 9.7525 | 135.1744 | 285.4397 | 13.46392 | – |
| 2026 Aug 06 17:57 | 2026 Aug 01 07:21:58 | 99.4888 | 0.00462 | 9.4340 | 147.7285 | 285.4397 | 13.46392 | – |
| 2026 Aug 05 17:56 | 2026 Aug 01 07:21:58 | 99.4888 | 0.00462 | 9.4340 | 147.7285 | 285.4397 | 13.46392 | – |
| 2026 Aug 04 17:57 | 2026 Aug 01 07:21:58 | 99.4888 | 0.00462 | 9.4340 | 147.7285 | 285.4397 | 13.46392 | – |
| 2026 Aug 03 17:56 | 2026 Aug 01 07:21:58 | 99.4888 | 0.00462 | 9.4340 | 147.7285 | 285.4397 | 13.46392 | – |
| 2026 Aug 02 17:57 | 2026 Aug 01 07:21:58 | 99.4888 | 0.00462 | 9.4340 | 147.7285 | 285.4397 | 13.46392 | – |
| 2026 Aug 01 17:57 | 2026 Aug 01 07:21:58 | 99.4888 | 0.00462 | 9.4340 | 147.7285 | 285.4397 | 13.46392 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 06:07:03 | 99.4891 | 0.00458 | 9.1151 | 160.3629 | 285.4397 | 13.46392 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 06:07:03 | 99.4891 | 0.00458 | 9.1151 | 160.3629 | 285.4397 | 13.46392 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 06:07:03 | 99.4891 | 0.00458 | 9.1151 | 160.3629 | 285.4397 | 13.46392 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 06:07:03 | 99.4891 | 0.00458 | 9.1151 | 160.3629 | 285.4397 | 13.46392 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 06:07:03 | 99.4891 | 0.00458 | 9.1151 | 160.3629 | 285.4397 | 13.46392 | – |
| 2026 Jul 26 17:56 | 2026 Jul 20 06:27:25 | 99.4893 | 0.00454 | 8.6742 | 178.0056 | 285.4397 | 13.46392 | – |
| 2026 Jul 25 17:57 | 2026 Jul 20 06:27:25 | 99.4893 | 0.00454 | 8.6742 | 178.0056 | 285.4397 | 13.46392 | – |
| 2026 Jul 24 17:56 | 2026 Jul 20 06:27:25 | 99.4893 | 0.00454 | 8.6742 | 178.0056 | 285.4397 | 13.46392 | – |