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 | 21458 |
| 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 Apr 29 17:57 | 2026 Apr 24 02:58:15 | 99.7782 | 0.05634 | 21.6711 | 86.8456 | 29.3339 | 12.44541 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 02:58:15 | 99.7782 | 0.05634 | 21.6711 | 86.8456 | 29.3339 | 12.44541 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 02:58:15 | 99.7782 | 0.05634 | 21.6711 | 86.8456 | 29.3339 | 12.44541 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 02:58:15 | 99.7782 | 0.05634 | 21.6711 | 86.8456 | 29.3339 | 12.44541 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 02:58:15 | 99.7782 | 0.05634 | 21.6711 | 86.8456 | 29.3339 | 12.44541 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 02:58:15 | 99.7782 | 0.05634 | 21.6711 | 86.8456 | 29.3339 | 12.44541 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 12:34:02 | 99.7788 | 0.05633 | 21.4207 | 96.3130 | 29.3339 | 12.44541 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 12:34:02 | 99.7788 | 0.05633 | 21.4207 | 96.3130 | 29.3339 | 12.44541 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 12:34:02 | 99.7788 | 0.05633 | 21.4207 | 96.3130 | 29.3339 | 12.44541 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 12:34:02 | 99.7788 | 0.05633 | 21.4207 | 96.3130 | 29.3339 | 12.44541 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 12:34:02 | 99.7788 | 0.05633 | 21.4207 | 96.3130 | 29.3339 | 12.44541 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 12:42:46 | 99.7802 | 0.05631 | 21.0398 | 110.7088 | 29.3339 | 12.44541 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 12:42:46 | 99.7802 | 0.05631 | 21.0398 | 110.7088 | 29.3339 | 12.44541 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 12:42:46 | 99.7802 | 0.05631 | 21.0398 | 110.7088 | 29.3339 | 12.44541 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 12:42:46 | 99.7802 | 0.05631 | 21.0398 | 110.7088 | 29.3339 | 12.44541 | – |
| 2026 Apr 12 17:57 | 2026 Apr 07 03:53:54 | 99.7810 | 0.05629 | 20.7476 | 121.7609 | 29.3339 | 12.44541 | – |
| 2026 Apr 11 17:57 | 2026 Apr 07 03:53:54 | 99.7810 | 0.05629 | 20.7476 | 121.7609 | 29.3339 | 12.44541 | – |
| 2026 Apr 10 17:58 | 2026 Apr 07 03:53:54 | 99.7810 | 0.05629 | 20.7476 | 121.7609 | 29.3339 | 12.44541 | – |
| 2026 Apr 09 18:01 | 2026 Apr 07 03:53:54 | 99.7810 | 0.05629 | 20.7476 | 121.7609 | 29.3339 | 12.44541 | – |
| 2026 Apr 08 17:57 | 2026 Apr 07 03:53:54 | 99.7810 | 0.05629 | 20.7476 | 121.7609 | 29.3339 | 12.44541 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 03:13:29 | 99.7819 | 0.05628 | 20.4192 | 134.1744 | 29.3339 | 12.44541 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 03:13:29 | 99.7819 | 0.05628 | 20.4192 | 134.1744 | 29.3339 | 12.44541 | – |
| 2026 Apr 05 17:56 | 2026 Apr 01 03:13:29 | 99.7819 | 0.05628 | 20.4192 | 134.1744 | 29.3339 | 12.44541 | – |
| 2026 Apr 04 17:57 | 2026 Apr 01 03:13:29 | 99.7819 | 0.05628 | 20.4192 | 134.1744 | 29.3339 | 12.44541 | – |
| 2026 Apr 03 17:56 | 2026 Apr 01 03:13:29 | 99.7819 | 0.05628 | 20.4192 | 134.1744 | 29.3339 | 12.44541 | – |
| 2026 Apr 02 18:03 | 2026 Apr 01 03:13:29 | 99.7819 | 0.05628 | 20.4192 | 134.1744 | 29.3339 | 12.44541 | – |