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 | 21550 |
| 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 01 17:56 | 2026 Apr 27 07:19:46 | 99.8541 | 0.05466 | 1.4493 | 104.2882 | 22.2105 | 12.46041 | – |
| 2026 Apr 30 17:56 | 2026 Apr 27 07:19:46 | 99.8541 | 0.05466 | 1.4493 | 104.2882 | 22.2105 | 12.46041 | – |
| 2026 Apr 29 17:57 | 2026 Apr 22 06:02:59 | 99.8532 | 0.05463 | 1.1714 | 114.7052 | 22.2105 | 12.46041 | – |
| 2026 Apr 28 17:56 | 2026 Apr 22 06:02:59 | 99.8532 | 0.05463 | 1.1714 | 114.7052 | 22.2105 | 12.46041 | – |
| 2026 Apr 27 17:58 | 2026 Apr 22 06:02:59 | 99.8532 | 0.05463 | 1.1714 | 114.7052 | 22.2105 | 12.46041 | – |
| 2026 Apr 26 17:58 | 2026 Apr 22 06:02:59 | 99.8532 | 0.05463 | 1.1714 | 114.7052 | 22.2105 | 12.46041 | – |
| 2026 Apr 25 17:58 | 2026 Apr 22 06:02:59 | 99.8532 | 0.05463 | 1.1714 | 114.7052 | 22.2105 | 12.46041 | – |
| 2026 Apr 24 17:59 | 2026 Apr 22 06:02:59 | 99.8532 | 0.05463 | 1.1714 | 114.7052 | 22.2105 | 12.46041 | – |
| 2026 Apr 23 17:57 | 2026 Apr 13 17:09:47 | 99.8539 | 0.05459 | 0.7019 | 132.2928 | 22.2105 | 12.46041 | – |
| 2026 Apr 22 17:57 | 2026 Apr 13 17:09:47 | 99.8539 | 0.05459 | 0.7019 | 132.2928 | 22.2105 | 12.46041 | – |
| 2026 Apr 21 17:57 | 2026 Apr 13 17:09:47 | 99.8539 | 0.05459 | 0.7019 | 132.2928 | 22.2105 | 12.46041 | – |
| 2026 Apr 20 17:57 | 2026 Apr 13 17:09:47 | 99.8539 | 0.05459 | 0.7019 | 132.2928 | 22.2105 | 12.46041 | – |
| 2026 Apr 19 17:58 | 2026 Apr 13 17:09:47 | 99.8539 | 0.05459 | 0.7019 | 132.2928 | 22.2105 | 12.46041 | – |
| 2026 Apr 18 17:56 | 2026 Apr 11 06:03:41 | 99.8539 | 0.05457 | 0.5665 | 137.3730 | 22.2105 | 12.46041 | – |
| 2026 Apr 16 17:57 | 2026 Apr 11 06:03:41 | 99.8539 | 0.05457 | 0.5665 | 137.3730 | 22.2105 | 12.46041 | – |
| 2026 Apr 14 17:57 | 2026 Apr 11 06:03:41 | 99.8539 | 0.05457 | 0.5665 | 137.3730 | 22.2105 | 12.46041 | – |
| 2026 Apr 13 17:57 | 2026 Apr 11 06:03:41 | 99.8539 | 0.05457 | 0.5665 | 137.3730 | 22.2105 | 12.46041 | – |
| 2026 Apr 12 17:57 | 2026 Apr 07 16:38:53 | 99.8529 | 0.05455 | 0.3708 | 144.7247 | 22.2105 | 12.46041 | – |
| 2026 Apr 11 17:57 | 2026 Apr 07 16:38:53 | 99.8529 | 0.05455 | 0.3708 | 144.7247 | 22.2105 | 12.46041 | – |
| 2026 Apr 10 17:58 | 2026 Apr 07 16:38:53 | 99.8529 | 0.05455 | 0.3708 | 144.7247 | 22.2105 | 12.46041 | – |
| 2026 Apr 09 18:01 | 2026 Apr 07 16:38:53 | 99.8529 | 0.05455 | 0.3708 | 144.7247 | 22.2105 | 12.46041 | – |
| 2026 Apr 08 17:57 | 2026 Apr 07 16:38:53 | 99.8529 | 0.05455 | 0.3708 | 144.7247 | 22.2105 | 12.46041 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 06:16:19 | 99.8551 | 0.05451 | 0.0720 | 155.9382 | 22.2105 | 12.46041 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 06:16:19 | 99.8551 | 0.05451 | 0.0720 | 155.9382 | 22.2105 | 12.46041 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 06:16:19 | 99.8551 | 0.05451 | 0.0720 | 155.9382 | 22.2105 | 12.46041 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 06:16:19 | 99.8551 | 0.05451 | 0.0720 | 155.9382 | 22.2105 | 12.46041 | – |