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 | 21331 |
| 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 10 17:57 | 2026 May 10 08:54:43 | 99.6592 | 0.00260 | 22.5161 | 188.1782 | 352.3655 | 13.39762 | – |
| 2026 May 09 17:57 | 2026 May 05 01:31:13 | 99.6596 | 0.00258 | 22.1791 | 201.2940 | 352.3655 | 13.39762 | – |
| 2026 May 08 17:57 | 2026 May 05 01:31:13 | 99.6596 | 0.00258 | 22.1791 | 201.2940 | 352.3655 | 13.39762 | – |
| 2026 May 07 17:58 | 2026 May 05 01:31:13 | 99.6596 | 0.00258 | 22.1791 | 201.2940 | 352.3655 | 13.39762 | – |
| 2026 May 06 17:57 | 2026 May 05 01:31:13 | 99.6596 | 0.00258 | 22.1791 | 201.2940 | 352.3655 | 13.39762 | – |
| 2026 May 05 17:57 | 2026 May 05 01:31:13 | 99.6596 | 0.00258 | 22.1791 | 201.2940 | 352.3655 | 13.39762 | – |
| 2026 May 04 17:57 | 2026 Apr 30 13:21:20 | 99.6603 | 0.00256 | 21.8930 | 212.5096 | 352.3655 | 13.39762 | – |
| 2026 May 03 17:57 | 2026 Apr 30 13:21:20 | 99.6603 | 0.00256 | 21.8930 | 212.5096 | 352.3655 | 13.39762 | – |
| 2026 May 02 17:57 | 2026 Apr 30 13:21:20 | 99.6603 | 0.00256 | 21.8930 | 212.5096 | 352.3655 | 13.39762 | – |
| 2026 May 01 17:56 | 2026 Apr 30 13:21:20 | 99.6603 | 0.00256 | 21.8930 | 212.5096 | 352.3655 | 13.39762 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 13:21:20 | 99.6603 | 0.00256 | 21.8930 | 212.5096 | 352.3655 | 13.39762 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 02:03:25 | 99.6612 | 0.00255 | 21.4821 | 228.6678 | 352.3655 | 13.39762 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 02:03:25 | 99.6612 | 0.00255 | 21.4821 | 228.6678 | 352.3655 | 13.39762 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 02:03:25 | 99.6612 | 0.00255 | 21.4821 | 228.6678 | 352.3655 | 13.39762 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 02:03:25 | 99.6612 | 0.00255 | 21.4821 | 228.6678 | 352.3655 | 13.39762 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 02:03:25 | 99.6612 | 0.00255 | 21.4821 | 228.6678 | 352.3655 | 13.39762 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 02:03:25 | 99.6612 | 0.00255 | 21.4821 | 228.6678 | 352.3655 | 13.39762 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 07:29:20 | 99.6618 | 0.00254 | 21.1790 | 240.6778 | 352.3655 | 13.39762 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 07:29:20 | 99.6618 | 0.00254 | 21.1790 | 240.6778 | 352.3655 | 13.39762 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 07:29:20 | 99.6618 | 0.00254 | 21.1790 | 240.6778 | 352.3655 | 13.39762 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 07:29:20 | 99.6618 | 0.00254 | 21.1790 | 240.6778 | 352.3655 | 13.39762 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 07:29:20 | 99.6618 | 0.00254 | 21.1790 | 240.6778 | 352.3655 | 13.39762 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 00:49:12 | 99.6628 | 0.00254 | 20.7803 | 256.4756 | 352.3655 | 13.39762 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 00:49:12 | 99.6628 | 0.00254 | 20.7803 | 256.4756 | 352.3655 | 13.39762 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 00:49:12 | 99.6628 | 0.00254 | 20.7803 | 256.4756 | 352.3655 | 13.39762 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 00:49:12 | 99.6628 | 0.00254 | 20.7803 | 256.4756 | 352.3655 | 13.39762 | – |