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 | 21439 |
| 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 13 06:14:54 | 99.9961 | 0.03515 | 11.3038 | 64.1771 | 299.5173 | 13.37062 | – |
| 2026 Jun 19 17:57 | 2026 Jun 13 06:14:54 | 99.9961 | 0.03515 | 11.3038 | 64.1771 | 299.5173 | 13.37062 | – |
| 2026 Jun 18 17:56 | 2026 Jun 13 06:14:54 | 99.9961 | 0.03515 | 11.3038 | 64.1771 | 299.5173 | 13.37062 | – |
| 2026 Jun 17 17:57 | 2026 Jun 13 06:14:54 | 99.9961 | 0.03515 | 11.3038 | 64.1771 | 299.5173 | 13.37062 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 06:54:08 | 99.9959 | 0.03517 | 11.2399 | 66.4340 | 299.5173 | 13.37062 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 06:54:08 | 99.9959 | 0.03517 | 11.2399 | 66.4340 | 299.5173 | 13.37062 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 06:54:08 | 99.9959 | 0.03517 | 11.2399 | 66.4340 | 299.5173 | 13.37062 | – |
| 2026 Jun 13 17:56 | 2026 Jun 12 06:54:08 | 99.9959 | 0.03517 | 11.2399 | 66.4340 | 299.5173 | 13.37062 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 06:54:08 | 99.9959 | 0.03517 | 11.2399 | 66.4340 | 299.5173 | 13.37062 | – |
| 2026 Jun 11 17:57 | 2026 Jun 07 06:34:37 | 99.9961 | 0.03524 | 10.9112 | 78.0921 | 299.5173 | 13.37062 | – |
| 2026 Jun 10 17:56 | 2026 Jun 07 06:34:37 | 99.9961 | 0.03524 | 10.9112 | 78.0921 | 299.5173 | 13.37062 | – |
| 2026 Jun 09 17:57 | 2026 Jun 07 06:34:37 | 99.9961 | 0.03524 | 10.9112 | 78.0921 | 299.5173 | 13.37062 | – |
| 2026 Jun 08 17:56 | 2026 Jun 07 06:34:37 | 99.9961 | 0.03524 | 10.9112 | 78.0921 | 299.5173 | 13.37062 | – |
| 2026 Jun 07 17:56 | 2026 Jun 07 06:34:37 | 99.9961 | 0.03524 | 10.9112 | 78.0921 | 299.5173 | 13.37062 | – |
| 2026 Jun 06 17:56 | 2026 May 29 23:13:15 | 99.9952 | 0.03526 | 10.3668 | 97.4103 | 299.5173 | 13.37062 | – |
| 2026 Jun 05 17:56 | 2026 May 29 23:13:15 | 99.9952 | 0.03526 | 10.3668 | 97.4103 | 299.5173 | 13.37062 | – |
| 2026 Jun 04 17:57 | 2026 May 29 23:13:15 | 99.9952 | 0.03526 | 10.3668 | 97.4103 | 299.5173 | 13.37062 | – |
| 2026 Jun 02 17:56 | 2026 May 29 23:13:15 | 99.9952 | 0.03526 | 10.3668 | 97.4103 | 299.5173 | 13.37062 | – |
| 2026 Jun 01 17:57 | 2026 May 29 23:13:15 | 99.9952 | 0.03526 | 10.3668 | 97.4103 | 299.5173 | 13.37062 | – |
| 2026 May 31 17:58 | 2026 May 29 23:13:15 | 99.9952 | 0.03526 | 10.3668 | 97.4103 | 299.5173 | 13.37062 | – |
| 2026 May 30 17:57 | 2026 May 26 07:12:42 | 99.9962 | 0.03523 | 10.1264 | 105.9507 | 299.5173 | 13.37062 | – |
| 2026 May 29 17:57 | 2026 May 26 07:12:42 | 99.9962 | 0.03523 | 10.1264 | 105.9507 | 299.5173 | 13.37062 | – |
| 2026 May 28 17:56 | 2026 May 26 07:12:42 | 99.9962 | 0.03523 | 10.1264 | 105.9507 | 299.5173 | 13.37062 | – |
| 2026 May 27 17:57 | 2026 May 26 07:12:42 | 99.9962 | 0.03523 | 10.1264 | 105.9507 | 299.5173 | 13.37062 | – |
| 2026 May 26 17:57 | 2026 May 26 07:12:42 | 99.9962 | 0.03523 | 10.1264 | 105.9507 | 299.5173 | 13.37062 | – |
| 2026 May 25 17:57 | 2026 May 21 10:27:38 | 99.9976 | 0.03514 | 9.8076 | 117.3144 | 299.5173 | 13.37062 | – |
| 2026 May 24 17:57 | 2026 May 21 10:27:38 | 99.9976 | 0.03514 | 9.8076 | 117.3144 | 299.5173 | 13.37062 | – |