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 |
| 2025 Dec 21 18:57 | 2025 Dec 20 12:05:00 | 99.6699 | 0.00261 | 13.5652 | 172.4769 | 250.8110 | 13.39742 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 12:05:00 | 99.6699 | 0.00261 | 13.5652 | 172.4769 | 250.8110 | 13.39742 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 250.8110 | 13.39742 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 250.8110 | 13.39742 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 250.8110 | 13.39742 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 250.8110 | 13.39742 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 250.8110 | 13.39742 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 250.8110 | 13.39742 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 250.8110 | 13.39742 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 01:59:51 | 99.6703 | 0.00259 | 13.0298 | 193.1338 | 250.8110 | 13.39742 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 01:54:44 | 99.6708 | 0.00258 | 12.7117 | 205.4906 | 250.8110 | 13.39742 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 01:54:44 | 99.6708 | 0.00258 | 12.7117 | 205.4906 | 250.8110 | 13.39742 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 01:54:44 | 99.6708 | 0.00258 | 12.7117 | 205.4906 | 250.8110 | 13.39742 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 01:54:44 | 99.6708 | 0.00258 | 12.7117 | 205.4906 | 250.8110 | 13.39742 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 01:54:44 | 99.6708 | 0.00258 | 12.7117 | 205.4906 | 250.8110 | 13.39742 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 12:10:07 | 99.6710 | 0.00257 | 12.4210 | 216.8480 | 250.8110 | 13.39742 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 12:10:07 | 99.6710 | 0.00257 | 12.4210 | 216.8480 | 250.8110 | 13.39742 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 12:10:07 | 99.6710 | 0.00257 | 12.4210 | 216.8480 | 250.8110 | 13.39742 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 12:10:07 | 99.6710 | 0.00257 | 12.4210 | 216.8480 | 250.8110 | 13.39742 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 12:10:07 | 99.6710 | 0.00257 | 12.4210 | 216.8480 | 250.8110 | 13.39742 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 08:40:53 | 99.6716 | 0.00255 | 11.9666 | 234.6632 | 250.8110 | 13.39742 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 08:40:53 | 99.6716 | 0.00255 | 11.9666 | 234.6632 | 250.8110 | 13.39742 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 08:40:53 | 99.6716 | 0.00255 | 11.9666 | 234.6632 | 250.8110 | 13.39742 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 08:40:53 | 99.6716 | 0.00255 | 11.9666 | 234.6632 | 250.8110 | 13.39742 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 08:40:53 | 99.6716 | 0.00255 | 11.9666 | 234.6632 | 250.8110 | 13.39742 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 08:40:53 | 99.6716 | 0.00255 | 11.9666 | 234.6632 | 250.8110 | 13.39742 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 02:55:22 | 99.6722 | 0.00255 | 11.6334 | 247.7743 | 250.8110 | 13.39742 | – |