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 | 21501 |
| 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 28 18:57 | 2025 Dec 26 07:11:35 | 99.8104 | 0.05478 | 18.7512 | 192.3883 | 295.4134 | 12.47756 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 07:11:35 | 99.8104 | 0.05478 | 18.7512 | 192.3883 | 295.4134 | 12.47756 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 07:11:35 | 99.8104 | 0.05478 | 18.7512 | 192.3883 | 295.4134 | 12.47756 | – |
| 2025 Dec 25 18:57 | 2025 Dec 18 08:42:20 | 99.8092 | 0.05478 | 18.3150 | 208.8546 | 295.4134 | 12.47756 | – |
| 2025 Dec 24 18:56 | 2025 Dec 18 08:42:20 | 99.8092 | 0.05478 | 18.3150 | 208.8546 | 295.4134 | 12.47756 | – |
| 2025 Dec 23 18:56 | 2025 Dec 18 08:42:20 | 99.8092 | 0.05478 | 18.3150 | 208.8546 | 295.4134 | 12.47756 | – |
| 2025 Dec 22 18:57 | 2025 Dec 18 08:42:20 | 99.8092 | 0.05478 | 18.3150 | 208.8546 | 295.4134 | 12.47756 | – |
| 2025 Dec 21 18:57 | 2025 Dec 18 08:42:20 | 99.8092 | 0.05478 | 18.3150 | 208.8546 | 295.4134 | 12.47756 | – |
| 2025 Dec 20 18:57 | 2025 Dec 18 08:42:20 | 99.8092 | 0.05478 | 18.3150 | 208.8546 | 295.4134 | 12.47756 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 18:20:52 | 99.8093 | 0.05481 | 17.9525 | 222.5603 | 295.4134 | 12.47756 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 18:20:52 | 99.8093 | 0.05481 | 17.9525 | 222.5603 | 295.4134 | 12.47756 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 18:20:52 | 99.8093 | 0.05481 | 17.9525 | 222.5603 | 295.4134 | 12.47756 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 18:20:52 | 99.8093 | 0.05481 | 17.9525 | 222.5603 | 295.4134 | 12.47756 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 18:20:52 | 99.8093 | 0.05481 | 17.9525 | 222.5603 | 295.4134 | 12.47756 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 18:20:52 | 99.8093 | 0.05481 | 17.9525 | 222.5603 | 295.4134 | 12.47756 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 18:20:52 | 99.8093 | 0.05481 | 17.9525 | 222.5603 | 295.4134 | 12.47756 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 18:20:52 | 99.8093 | 0.05481 | 17.9525 | 222.5603 | 295.4134 | 12.47756 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 06:17:11 | 99.8080 | 0.05480 | 17.6501 | 233.9736 | 295.4134 | 12.47756 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 06:17:11 | 99.8080 | 0.05480 | 17.6501 | 233.9736 | 295.4134 | 12.47756 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 06:17:11 | 99.8080 | 0.05480 | 17.6501 | 233.9736 | 295.4134 | 12.47756 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 06:17:11 | 99.8080 | 0.05480 | 17.6501 | 233.9736 | 295.4134 | 12.47756 | – |
| 2025 Dec 07 18:56 | 2025 Dec 06 06:17:11 | 99.8080 | 0.05480 | 17.6501 | 233.9736 | 295.4134 | 12.47756 | – |
| 2025 Dec 06 18:56 | 2025 Dec 01 07:00:09 | 99.8080 | 0.05483 | 17.3770 | 244.2846 | 295.4134 | 12.47756 | – |
| 2025 Dec 05 18:57 | 2025 Dec 01 07:00:09 | 99.8080 | 0.05483 | 17.3770 | 244.2846 | 295.4134 | 12.47756 | – |
| 2025 Dec 04 18:57 | 2025 Dec 01 07:00:09 | 99.8080 | 0.05483 | 17.3770 | 244.2846 | 295.4134 | 12.47756 | – |
| 2025 Dec 03 18:56 | 2025 Dec 01 07:00:09 | 99.8080 | 0.05483 | 17.3770 | 244.2846 | 295.4134 | 12.47756 | – |
| 2025 Dec 02 18:56 | 2025 Dec 01 07:00:09 | 99.8080 | 0.05483 | 17.3770 | 244.2846 | 295.4134 | 12.47756 | – |