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 Jan 01 18:56 | 2025 Dec 31 13:18:19 | 99.6695 | 0.00264 | 14.2677 | 145.6551 | 270.0721 | 13.39744 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 13:18:19 | 99.6695 | 0.00264 | 14.2677 | 145.6551 | 270.0721 | 13.39744 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 11:29:33 | 99.6696 | 0.00263 | 13.9450 | 157.9368 | 270.0721 | 13.39744 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 11:29:33 | 99.6696 | 0.00263 | 13.9450 | 157.9368 | 270.0721 | 13.39744 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 11:29:33 | 99.6696 | 0.00263 | 13.9450 | 157.9368 | 270.0721 | 13.39744 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 11:29:33 | 99.6696 | 0.00263 | 13.9450 | 157.9368 | 270.0721 | 13.39744 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 11:29:33 | 99.6696 | 0.00263 | 13.9450 | 157.9368 | 270.0721 | 13.39744 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 12:05:00 | 99.6699 | 0.00261 | 13.5652 | 172.4769 | 270.0721 | 13.39744 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 12:05:00 | 99.6699 | 0.00261 | 13.5652 | 172.4769 | 270.0721 | 13.39744 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 12:05:00 | 99.6699 | 0.00261 | 13.5652 | 172.4769 | 270.0721 | 13.39744 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 12:05:00 | 99.6699 | 0.00261 | 13.5652 | 172.4769 | 270.0721 | 13.39744 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 12:05:00 | 99.6699 | 0.00261 | 13.5652 | 172.4769 | 270.0721 | 13.39744 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 12:05:00 | 99.6699 | 0.00261 | 13.5652 | 172.4769 | 270.0721 | 13.39744 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 270.0721 | 13.39744 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 270.0721 | 13.39744 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 270.0721 | 13.39744 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 270.0721 | 13.39744 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 270.0721 | 13.39744 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 270.0721 | 13.39744 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 270.0721 | 13.39744 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 270.0721 | 13.39744 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 01:54:44 | 99.6708 | 0.00258 | 12.7117 | 205.4906 | 270.0721 | 13.39744 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 01:54:44 | 99.6708 | 0.00258 | 12.7117 | 205.4906 | 270.0721 | 13.39744 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 01:54:44 | 99.6708 | 0.00258 | 12.7117 | 205.4906 | 270.0721 | 13.39744 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 01:54:44 | 99.6708 | 0.00258 | 12.7117 | 205.4906 | 270.0721 | 13.39744 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 01:54:44 | 99.6708 | 0.00258 | 12.7117 | 205.4906 | 270.0721 | 13.39744 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 12:10:07 | 99.6710 | 0.00257 | 12.4210 | 216.8480 | 270.0721 | 13.39744 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 12:10:07 | 99.6710 | 0.00257 | 12.4210 | 216.8480 | 270.0721 | 13.39744 | – |