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 | 21284 |
| 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 13 17:58 | 2026 May 10 11:38:09 | 99.8334 | 0.00779 | 14.0590 | 84.7933 | 287.4113 | 13.31367 | – |
| 2026 May 12 17:58 | 2026 May 10 11:38:09 | 99.8334 | 0.00779 | 14.0590 | 84.7933 | 287.4113 | 13.31367 | – |
| 2026 May 11 17:56 | 2026 May 10 11:38:09 | 99.8334 | 0.00779 | 14.0590 | 84.7933 | 287.4113 | 13.31367 | – |
| 2026 May 10 17:57 | 2026 May 10 11:38:09 | 99.8334 | 0.00779 | 14.0590 | 84.7933 | 287.4113 | 13.31367 | – |
| 2026 May 09 17:57 | 2026 May 05 10:48:04 | 99.8334 | 0.00780 | 13.7383 | 96.6957 | 287.4113 | 13.31367 | – |
| 2026 May 08 17:57 | 2026 May 05 10:48:04 | 99.8334 | 0.00780 | 13.7383 | 96.6957 | 287.4113 | 13.31367 | – |
| 2026 May 07 17:58 | 2026 May 05 10:48:04 | 99.8334 | 0.00780 | 13.7383 | 96.6957 | 287.4113 | 13.31367 | – |
| 2026 May 06 17:57 | 2026 May 05 10:48:04 | 99.8334 | 0.00780 | 13.7383 | 96.6957 | 287.4113 | 13.31367 | – |
| 2026 May 05 17:57 | 2026 May 05 10:48:04 | 99.8334 | 0.00780 | 13.7383 | 96.6957 | 287.4113 | 13.31367 | – |
| 2026 May 04 17:57 | 2026 Apr 30 11:45:48 | 99.8335 | 0.00780 | 13.4223 | 108.4109 | 287.4113 | 13.31367 | – |
| 2026 May 03 17:57 | 2026 Apr 30 11:45:48 | 99.8335 | 0.00780 | 13.4223 | 108.4109 | 287.4113 | 13.31367 | – |
| 2026 May 02 17:57 | 2026 Apr 30 11:45:48 | 99.8335 | 0.00780 | 13.4223 | 108.4109 | 287.4113 | 13.31367 | – |
| 2026 May 01 17:56 | 2026 Apr 30 11:45:48 | 99.8335 | 0.00780 | 13.4223 | 108.4109 | 287.4113 | 13.31367 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 11:45:48 | 99.8335 | 0.00780 | 13.4223 | 108.4109 | 287.4113 | 13.31367 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 04:21:05 | 99.8337 | 0.00781 | 13.0204 | 123.3062 | 287.4113 | 13.31367 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 04:21:05 | 99.8337 | 0.00781 | 13.0204 | 123.3062 | 287.4113 | 13.31367 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 04:21:05 | 99.8337 | 0.00781 | 13.0204 | 123.3062 | 287.4113 | 13.31367 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 04:21:05 | 99.8337 | 0.00781 | 13.0204 | 123.3062 | 287.4113 | 13.31367 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 04:21:05 | 99.8337 | 0.00781 | 13.0204 | 123.3062 | 287.4113 | 13.31367 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 04:21:05 | 99.8337 | 0.00781 | 13.0204 | 123.3062 | 287.4113 | 13.31367 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 12:26:47 | 99.8338 | 0.00780 | 12.7234 | 134.3055 | 287.4113 | 13.31367 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 12:26:47 | 99.8338 | 0.00780 | 12.7234 | 134.3055 | 287.4113 | 13.31367 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 12:26:47 | 99.8338 | 0.00780 | 12.7234 | 134.3055 | 287.4113 | 13.31367 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 12:26:47 | 99.8338 | 0.00780 | 12.7234 | 134.3055 | 287.4113 | 13.31367 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 12:26:47 | 99.8338 | 0.00780 | 12.7234 | 134.3055 | 287.4113 | 13.31367 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 00:20:28 | 99.8339 | 0.00779 | 12.3091 | 149.6733 | 287.4113 | 13.31367 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 00:20:28 | 99.8339 | 0.00779 | 12.3091 | 149.6733 | 287.4113 | 13.31367 | – |