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 | 21457 |
| 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 03 17:57 | 2026 Apr 29 17:50:13 | 99.9601 | 0.02843 | 2.2347 | 277.8458 | 148.5548 | 13.44266 | – |
| 2026 May 02 17:57 | 2026 Apr 29 17:50:13 | 99.9601 | 0.02843 | 2.2347 | 277.8458 | 148.5548 | 13.44266 | – |
| 2026 May 01 17:56 | 2026 Apr 29 17:50:13 | 99.9601 | 0.02843 | 2.2347 | 277.8458 | 148.5548 | 13.44266 | – |
| 2026 Apr 30 17:56 | 2026 Apr 29 17:50:13 | 99.9601 | 0.02843 | 2.2347 | 277.8458 | 148.5548 | 13.44266 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 07:44:03 | 99.9600 | 0.02855 | 1.8765 | 291.0988 | 148.5548 | 13.44266 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 07:44:03 | 99.9600 | 0.02855 | 1.8765 | 291.0988 | 148.5548 | 13.44266 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 07:44:03 | 99.9600 | 0.02855 | 1.8765 | 291.0988 | 148.5548 | 13.44266 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 07:44:03 | 99.9600 | 0.02855 | 1.8765 | 291.0988 | 148.5548 | 13.44266 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 07:44:03 | 99.9600 | 0.02855 | 1.8765 | 291.0988 | 148.5548 | 13.44266 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 07:44:03 | 99.9600 | 0.02855 | 1.8765 | 291.0988 | 148.5548 | 13.44266 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 06:24:18 | 99.9599 | 0.02866 | 1.5425 | 303.4027 | 148.5548 | 13.44266 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 06:24:18 | 99.9599 | 0.02866 | 1.5425 | 303.4027 | 148.5548 | 13.44266 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 06:24:18 | 99.9599 | 0.02866 | 1.5425 | 303.4027 | 148.5548 | 13.44266 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 06:24:18 | 99.9599 | 0.02866 | 1.5425 | 303.4027 | 148.5548 | 13.44266 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 06:24:18 | 99.9599 | 0.02866 | 1.5425 | 303.4027 | 148.5548 | 13.44266 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 05:43:38 | 99.9600 | 0.02877 | 1.1442 | 318.0127 | 148.5548 | 13.44266 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 05:43:38 | 99.9600 | 0.02877 | 1.1442 | 318.0127 | 148.5548 | 13.44266 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 05:43:38 | 99.9600 | 0.02877 | 1.1442 | 318.0127 | 148.5548 | 13.44266 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 05:43:38 | 99.9600 | 0.02877 | 1.1442 | 318.0127 | 148.5548 | 13.44266 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 13:17:46 | 99.9590 | 0.02885 | 0.8348 | 329.3353 | 148.5548 | 13.44266 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 13:17:46 | 99.9590 | 0.02885 | 0.8348 | 329.3353 | 148.5548 | 13.44266 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 13:17:46 | 99.9590 | 0.02885 | 0.8348 | 329.3353 | 148.5548 | 13.44266 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 13:17:46 | 99.9590 | 0.02885 | 0.8348 | 329.3353 | 148.5548 | 13.44266 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 13:17:46 | 99.9590 | 0.02885 | 0.8348 | 329.3353 | 148.5548 | 13.44266 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 06:07:59 | 99.9604 | 0.02895 | 0.3526 | 346.8842 | 148.5548 | 13.44266 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 06:07:59 | 99.9604 | 0.02895 | 0.3526 | 346.8842 | 148.5548 | 13.44266 | – |