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 | 21388 |
| 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 23 17:57 | 2026 Apr 19 09:53:09 | 99.5342 | 0.00726 | 23.2954 | 48.3530 | 131.4573 | 13.50666 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 09:53:09 | 99.5342 | 0.00726 | 23.2954 | 48.3530 | 131.4573 | 13.50666 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 09:53:09 | 99.5342 | 0.00726 | 23.2954 | 48.3530 | 131.4573 | 13.50666 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 09:53:09 | 99.5342 | 0.00726 | 23.2954 | 48.3530 | 131.4573 | 13.50666 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 09:53:09 | 99.5342 | 0.00726 | 23.2954 | 48.3530 | 131.4573 | 13.50666 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 03:31:14 | 99.5359 | 0.00727 | 22.8314 | 66.3113 | 131.4573 | 13.50666 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 03:31:14 | 99.5359 | 0.00727 | 22.8314 | 66.3113 | 131.4573 | 13.50666 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 03:31:14 | 99.5359 | 0.00727 | 22.8314 | 66.3113 | 131.4573 | 13.50666 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 03:31:14 | 99.5359 | 0.00727 | 22.8314 | 66.3113 | 131.4573 | 13.50666 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 15:21:10 | 99.5365 | 0.00726 | 22.6073 | 74.9608 | 131.4573 | 13.50666 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 15:21:10 | 99.5365 | 0.00726 | 22.6073 | 74.9608 | 131.4573 | 13.50666 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 15:21:10 | 99.5365 | 0.00726 | 22.6073 | 74.9608 | 131.4573 | 13.50666 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 15:21:10 | 99.5365 | 0.00726 | 22.6073 | 74.9608 | 131.4573 | 13.50666 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 15:21:10 | 99.5365 | 0.00726 | 22.6073 | 74.9608 | 131.4573 | 13.50666 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 06:01:07 | 99.5377 | 0.00726 | 22.1352 | 93.2208 | 131.4573 | 13.50666 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 06:01:07 | 99.5377 | 0.00726 | 22.1352 | 93.2208 | 131.4573 | 13.50666 | – |
| 2026 Apr 05 17:56 | 2026 Apr 01 06:01:07 | 99.5377 | 0.00726 | 22.1352 | 93.2208 | 131.4573 | 13.50666 | – |
| 2026 Apr 04 17:57 | 2026 Apr 01 06:01:07 | 99.5377 | 0.00726 | 22.1352 | 93.2208 | 131.4573 | 13.50666 | – |
| 2026 Apr 03 17:56 | 2026 Apr 01 06:01:07 | 99.5377 | 0.00726 | 22.1352 | 93.2208 | 131.4573 | 13.50666 | – |
| 2026 Apr 02 18:03 | 2026 Apr 01 06:01:07 | 99.5377 | 0.00726 | 22.1352 | 93.2208 | 131.4573 | 13.50666 | – |
| 2026 Mar 31 17:57 | 2026 Mar 26 11:22:43 | 99.5385 | 0.00726 | 21.7661 | 107.5604 | 131.4573 | 13.50666 | – |
| 2026 Mar 30 17:58 | 2026 Mar 26 11:22:43 | 99.5385 | 0.00726 | 21.7661 | 107.5604 | 131.4573 | 13.50666 | – |
| 2026 Mar 29 17:57 | 2026 Mar 26 11:22:43 | 99.5385 | 0.00726 | 21.7661 | 107.5604 | 131.4573 | 13.50666 | – |
| 2026 Mar 28 18:57 | 2026 Mar 26 11:22:43 | 99.5385 | 0.00726 | 21.7661 | 107.5604 | 131.4573 | 13.50666 | – |
| 2026 Mar 27 18:57 | 2026 Mar 26 11:22:43 | 99.5385 | 0.00726 | 21.7661 | 107.5604 | 131.4573 | 13.50666 | – |