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 | 21281 |
| 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 Aug 29 17:56 | 2025 Aug 27 17:22:09 | 99.9720 | 0.00562 | 11.5717 | 278.1034 | 142.8223 | 13.34268 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 17:22:09 | 99.9720 | 0.00562 | 11.5717 | 278.1034 | 142.8223 | 13.34268 | – |
| 2025 Aug 27 17:56 | 2025 Aug 20 19:49:37 | 99.9717 | 0.00563 | 11.1239 | 294.8096 | 142.8223 | 13.34268 | – |
| 2025 Aug 26 17:56 | 2025 Aug 20 19:49:37 | 99.9717 | 0.00563 | 11.1239 | 294.8096 | 142.8223 | 13.34268 | – |
| 2025 Aug 25 17:56 | 2025 Aug 20 19:49:37 | 99.9717 | 0.00563 | 11.1239 | 294.8096 | 142.8223 | 13.34268 | – |
| 2025 Aug 24 17:56 | 2025 Aug 20 19:49:37 | 99.9717 | 0.00563 | 11.1239 | 294.8096 | 142.8223 | 13.34268 | – |
| 2025 Aug 23 17:56 | 2025 Aug 20 19:49:37 | 99.9717 | 0.00563 | 11.1239 | 294.8096 | 142.8223 | 13.34268 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 19:50:01 | 99.9718 | 0.00564 | 10.9292 | 302.0653 | 142.8223 | 13.34268 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 19:50:01 | 99.9718 | 0.00564 | 10.9292 | 302.0653 | 142.8223 | 13.34268 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 19:50:01 | 99.9718 | 0.00564 | 10.9292 | 302.0653 | 142.8223 | 13.34268 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 19:50:01 | 99.9718 | 0.00564 | 10.9292 | 302.0653 | 142.8223 | 13.34268 | – |
| 2025 Aug 16 17:56 | 2025 Aug 11 19:52:24 | 99.9715 | 0.00566 | 10.5398 | 316.5296 | 142.8223 | 13.34268 | – |
| 2025 Aug 15 17:57 | 2025 Aug 11 19:52:24 | 99.9715 | 0.00566 | 10.5398 | 316.5296 | 142.8223 | 13.34268 | – |
| 2025 Aug 14 17:56 | 2025 Aug 11 19:52:24 | 99.9715 | 0.00566 | 10.5398 | 316.5296 | 142.8223 | 13.34268 | – |
| 2025 Aug 13 17:58 | 2025 Aug 11 19:52:24 | 99.9715 | 0.00566 | 10.5398 | 316.5296 | 142.8223 | 13.34268 | – |
| 2025 Aug 12 17:56 | 2025 Aug 11 19:52:24 | 99.9715 | 0.00566 | 10.5398 | 316.5296 | 142.8223 | 13.34268 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 19:03:09 | 99.9714 | 0.00568 | 10.2130 | 328.6299 | 142.8223 | 13.34268 | – |
| 2025 Aug 10 17:57 | 2025 Aug 06 19:03:09 | 99.9714 | 0.00568 | 10.2130 | 328.6299 | 142.8223 | 13.34268 | – |
| 2025 Aug 09 17:56 | 2025 Aug 06 19:03:09 | 99.9714 | 0.00568 | 10.2130 | 328.6299 | 142.8223 | 13.34268 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 19:03:09 | 99.9714 | 0.00568 | 10.2130 | 328.6299 | 142.8223 | 13.34268 | – |
| 2025 Aug 07 17:56 | 2025 Aug 06 19:03:09 | 99.9714 | 0.00568 | 10.2130 | 328.6299 | 142.8223 | 13.34268 | – |
| 2025 Aug 05 17:56 | 2025 Jul 31 19:16:18 | 99.9713 | 0.00570 | 9.8241 | 342.9702 | 142.8223 | 13.34268 | – |
| 2025 Aug 04 17:56 | 2025 Jul 31 19:16:18 | 99.9713 | 0.00570 | 9.8241 | 342.9702 | 142.8223 | 13.34268 | – |
| 2025 Aug 03 17:56 | 2025 Jul 31 19:16:18 | 99.9713 | 0.00570 | 9.8241 | 342.9702 | 142.8223 | 13.34268 | – |
| 2025 Aug 02 17:56 | 2025 Jul 31 19:16:18 | 99.9713 | 0.00570 | 9.8241 | 342.9702 | 142.8223 | 13.34268 | – |