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 | 21291 |
| 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 02 17:57 | 2026 Apr 30 10:19:28 | 99.8827 | 0.01377 | 18.8022 | 173.0278 | 246.0663 | 13.83337 | – |
| 2026 May 01 17:56 | 2026 Apr 30 10:19:28 | 99.8827 | 0.01377 | 18.8022 | 173.0278 | 246.0663 | 13.83337 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 10:19:28 | 99.8827 | 0.01377 | 18.8022 | 173.0278 | 246.0663 | 13.83337 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 00:10:08 | 99.8820 | 0.01375 | 18.3526 | 189.7576 | 246.0663 | 13.83337 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 00:10:08 | 99.8820 | 0.01375 | 18.3526 | 189.7576 | 246.0663 | 13.83337 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 00:10:08 | 99.8820 | 0.01375 | 18.3526 | 189.7576 | 246.0663 | 13.83337 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 00:10:08 | 99.8820 | 0.01375 | 18.3526 | 189.7576 | 246.0663 | 13.83337 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 00:10:08 | 99.8820 | 0.01375 | 18.3526 | 189.7576 | 246.0663 | 13.83337 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 00:10:08 | 99.8820 | 0.01375 | 18.3526 | 189.7576 | 246.0663 | 13.83337 | – |
| 2026 Apr 23 17:57 | 2026 Apr 18 16:54:50 | 99.8812 | 0.01373 | 17.9814 | 203.5853 | 246.0663 | 13.83337 | – |
| 2026 Apr 22 17:57 | 2026 Apr 18 16:54:50 | 99.8812 | 0.01373 | 17.9814 | 203.5853 | 246.0663 | 13.83337 | – |
| 2026 Apr 21 17:57 | 2026 Apr 18 16:54:50 | 99.8812 | 0.01373 | 17.9814 | 203.5853 | 246.0663 | 13.83337 | – |
| 2026 Apr 20 17:57 | 2026 Apr 18 16:54:50 | 99.8812 | 0.01373 | 17.9814 | 203.5853 | 246.0663 | 13.83337 | – |
| 2026 Apr 19 17:58 | 2026 Apr 18 16:54:50 | 99.8812 | 0.01373 | 17.9814 | 203.5853 | 246.0663 | 13.83337 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 09:57:08 | 99.8800 | 0.01370 | 17.5412 | 220.0195 | 246.0663 | 13.83337 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 09:57:08 | 99.8800 | 0.01370 | 17.5412 | 220.0195 | 246.0663 | 13.83337 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 09:57:08 | 99.8800 | 0.01370 | 17.5412 | 220.0195 | 246.0663 | 13.83337 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 09:57:08 | 99.8800 | 0.01370 | 17.5412 | 220.0195 | 246.0663 | 13.83337 | – |
| 2026 Apr 12 17:57 | 2026 Apr 07 22:48:36 | 99.8793 | 0.01368 | 17.2288 | 231.7101 | 246.0663 | 13.83337 | – |
| 2026 Apr 11 17:57 | 2026 Apr 07 22:48:36 | 99.8793 | 0.01368 | 17.2288 | 231.7101 | 246.0663 | 13.83337 | – |
| 2026 Apr 10 17:58 | 2026 Apr 07 22:48:36 | 99.8793 | 0.01368 | 17.2288 | 231.7101 | 246.0663 | 13.83337 | – |
| 2026 Apr 09 18:01 | 2026 Apr 07 22:48:36 | 99.8793 | 0.01368 | 17.2288 | 231.7101 | 246.0663 | 13.83337 | – |
| 2026 Apr 08 17:57 | 2026 Apr 07 22:48:36 | 99.8793 | 0.01368 | 17.2288 | 231.7101 | 246.0663 | 13.83337 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 10:04:53 | 99.8779 | 0.01366 | 16.7718 | 248.8205 | 246.0663 | 13.83337 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 10:04:53 | 99.8779 | 0.01366 | 16.7718 | 248.8205 | 246.0663 | 13.83337 | – |
| 2026 Apr 05 17:56 | 2026 Apr 01 10:04:53 | 99.8779 | 0.01366 | 16.7718 | 248.8205 | 246.0663 | 13.83337 | – |