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 | 21288 |
| 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 29 18:56 | 2025 Dec 26 14:55:19 | 99.6745 | 0.03555 | 20.6652 | 201.9538 | 333.1935 | 12.75708 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 14:55:19 | 99.6745 | 0.03555 | 20.6652 | 201.9538 | 333.1935 | 12.75708 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 14:55:19 | 99.6745 | 0.03555 | 20.6652 | 201.9538 | 333.1935 | 12.75708 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 14:55:19 | 99.6745 | 0.03555 | 20.6652 | 201.9538 | 333.1935 | 12.75708 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 09:57:15 | 99.6737 | 0.03553 | 20.3122 | 215.5181 | 333.1935 | 12.75708 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 09:57:15 | 99.6737 | 0.03553 | 20.3122 | 215.5181 | 333.1935 | 12.75708 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 09:57:15 | 99.6737 | 0.03553 | 20.3122 | 215.5181 | 333.1935 | 12.75708 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 09:57:15 | 99.6737 | 0.03553 | 20.3122 | 215.5181 | 333.1935 | 12.75708 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 09:57:15 | 99.6737 | 0.03553 | 20.3122 | 215.5181 | 333.1935 | 12.75708 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 09:57:15 | 99.6737 | 0.03553 | 20.3122 | 215.5181 | 333.1935 | 12.75708 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 20:31:35 | 99.6720 | 0.03552 | 19.8255 | 234.2345 | 333.1935 | 12.75708 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 20:31:35 | 99.6720 | 0.03552 | 19.8255 | 234.2345 | 333.1935 | 12.75708 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 20:31:35 | 99.6720 | 0.03552 | 19.8255 | 234.2345 | 333.1935 | 12.75708 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 20:31:35 | 99.6720 | 0.03552 | 19.8255 | 234.2345 | 333.1935 | 12.75708 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 20:31:35 | 99.6720 | 0.03552 | 19.8255 | 234.2345 | 333.1935 | 12.75708 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 20:31:35 | 99.6720 | 0.03552 | 19.8255 | 234.2345 | 333.1935 | 12.75708 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 20:31:35 | 99.6720 | 0.03552 | 19.8255 | 234.2345 | 333.1935 | 12.75708 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 20:31:35 | 99.6720 | 0.03552 | 19.8255 | 234.2345 | 333.1935 | 12.75708 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 19:49:25 | 99.6713 | 0.03551 | 19.5396 | 245.2326 | 333.1935 | 12.75708 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 19:49:25 | 99.6713 | 0.03551 | 19.5396 | 245.2326 | 333.1935 | 12.75708 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 19:49:25 | 99.6713 | 0.03551 | 19.5396 | 245.2326 | 333.1935 | 12.75708 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 19:49:25 | 99.6713 | 0.03551 | 19.5396 | 245.2326 | 333.1935 | 12.75708 | – |
| 2025 Dec 07 18:56 | 2025 Dec 06 19:49:25 | 99.6713 | 0.03551 | 19.5396 | 245.2326 | 333.1935 | 12.75708 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 09:05:16 | 99.6705 | 0.03551 | 19.2868 | 254.9614 | 333.1935 | 12.75708 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 09:05:16 | 99.6705 | 0.03551 | 19.2868 | 254.9614 | 333.1935 | 12.75708 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 09:05:16 | 99.6705 | 0.03551 | 19.2868 | 254.9614 | 333.1935 | 12.75708 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 09:05:16 | 99.6705 | 0.03551 | 19.2868 | 254.9614 | 333.1935 | 12.75708 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 09:05:16 | 99.6705 | 0.03551 | 19.2868 | 254.9614 | 333.1935 | 12.75708 | – |