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 | 21285 |
| 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 24 17:57 | 2026 May 21 05:10:46 | 99.6390 | 0.00201 | 23.5054 | 36.2294 | 86.4789 | 13.41277 | – |
| 2026 May 23 17:58 | 2026 May 21 05:10:46 | 99.6390 | 0.00201 | 23.5054 | 36.2294 | 86.4789 | 13.41277 | – |
| 2026 May 22 17:57 | 2026 May 21 05:10:46 | 99.6390 | 0.00201 | 23.5054 | 36.2294 | 86.4789 | 13.41277 | – |
| 2026 May 21 17:57 | 2026 May 21 05:10:46 | 99.6390 | 0.00201 | 23.5054 | 36.2294 | 86.4789 | 13.41277 | – |
| 2026 May 20 17:57 | 2026 May 16 11:53:10 | 99.6396 | 0.00202 | 23.2056 | 47.4082 | 86.4789 | 13.41277 | – |
| 2026 May 19 17:58 | 2026 May 16 11:53:10 | 99.6396 | 0.00202 | 23.2056 | 47.4082 | 86.4789 | 13.41277 | – |
| 2026 May 18 17:57 | 2026 May 16 11:53:10 | 99.6396 | 0.00202 | 23.2056 | 47.4082 | 86.4789 | 13.41277 | – |
| 2026 May 17 17:57 | 2026 May 16 11:53:10 | 99.6396 | 0.00202 | 23.2056 | 47.4082 | 86.4789 | 13.41277 | – |
| 2026 May 16 17:56 | 2026 May 16 11:53:10 | 99.6396 | 0.00202 | 23.2056 | 47.4082 | 86.4789 | 13.41277 | – |
| 2026 May 15 17:57 | 2026 May 10 12:53:03 | 99.6405 | 0.00203 | 22.8271 | 61.4187 | 86.4789 | 13.41277 | – |
| 2026 May 14 17:58 | 2026 May 10 12:53:03 | 99.6405 | 0.00203 | 22.8271 | 61.4187 | 86.4789 | 13.41277 | – |
| 2026 May 13 17:58 | 2026 May 10 12:53:03 | 99.6405 | 0.00203 | 22.8271 | 61.4187 | 86.4789 | 13.41277 | – |
| 2026 May 12 17:58 | 2026 May 10 12:53:03 | 99.6405 | 0.00203 | 22.8271 | 61.4187 | 86.4789 | 13.41277 | – |
| 2026 May 11 17:56 | 2026 May 10 12:53:03 | 99.6405 | 0.00203 | 22.8271 | 61.4187 | 86.4789 | 13.41277 | – |
| 2026 May 10 17:57 | 2026 May 10 12:53:03 | 99.6405 | 0.00203 | 22.8271 | 61.4187 | 86.4789 | 13.41277 | – |
| 2026 May 09 17:57 | 2026 May 05 11:10:04 | 99.6409 | 0.00204 | 22.5049 | 73.3547 | 86.4789 | 13.41277 | – |
| 2026 May 08 17:57 | 2026 May 05 11:10:04 | 99.6409 | 0.00204 | 22.5049 | 73.3547 | 86.4789 | 13.41277 | – |
| 2026 May 07 17:58 | 2026 May 05 11:10:04 | 99.6409 | 0.00204 | 22.5049 | 73.3547 | 86.4789 | 13.41277 | – |
| 2026 May 06 17:57 | 2026 May 05 11:10:04 | 99.6409 | 0.00204 | 22.5049 | 73.3547 | 86.4789 | 13.41277 | – |
| 2026 May 05 17:57 | 2026 May 05 11:10:04 | 99.6409 | 0.00204 | 22.5049 | 73.3547 | 86.4789 | 13.41277 | – |
| 2026 May 04 17:57 | 2026 Apr 30 12:48:47 | 99.6419 | 0.00204 | 22.1916 | 84.9516 | 86.4789 | 13.41277 | – |
| 2026 May 03 17:57 | 2026 Apr 30 12:48:47 | 99.6419 | 0.00204 | 22.1916 | 84.9516 | 86.4789 | 13.41277 | – |
| 2026 May 02 17:57 | 2026 Apr 30 12:48:47 | 99.6419 | 0.00204 | 22.1916 | 84.9516 | 86.4789 | 13.41277 | – |
| 2026 May 01 17:56 | 2026 Apr 30 12:48:47 | 99.6419 | 0.00204 | 22.1916 | 84.9516 | 86.4789 | 13.41277 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 12:48:47 | 99.6419 | 0.00204 | 22.1916 | 84.9516 | 86.4789 | 13.41277 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 11:57:30 | 99.6428 | 0.00204 | 21.8081 | 99.1384 | 86.4789 | 13.41277 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 11:57:30 | 99.6428 | 0.00204 | 21.8081 | 99.1384 | 86.4789 | 13.41277 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 11:57:30 | 99.6428 | 0.00204 | 21.8081 | 99.1384 | 86.4789 | 13.41277 | – |