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 | 21516 |
| 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 Oct 14 17:56 | 2025 Oct 07 08:29:03 | 99.7832 | 0.00703 | 4.0364 | 197.5699 | 192.6195 | 13.32871 | – |
| 2025 Oct 12 17:56 | 2025 Oct 07 08:29:03 | 99.7832 | 0.00703 | 4.0364 | 197.5699 | 192.6195 | 13.32871 | – |
| 2025 Oct 11 17:57 | 2025 Oct 07 08:29:03 | 99.7832 | 0.00703 | 4.0364 | 197.5699 | 192.6195 | 13.32871 | – |
| 2025 Oct 09 17:56 | 2025 Oct 07 08:29:03 | 99.7832 | 0.00703 | 4.0364 | 197.5699 | 192.6195 | 13.32871 | – |
| 2025 Oct 08 17:56 | 2025 Oct 07 08:29:03 | 99.7832 | 0.00703 | 4.0364 | 197.5699 | 192.6195 | 13.32871 | – |
| 2025 Oct 07 17:56 | 2025 Oct 07 08:29:03 | 99.7832 | 0.00703 | 4.0364 | 197.5699 | 192.6195 | 13.32871 | – |
| 2025 Oct 05 17:56 | 2025 Sep 25 21:27:57 | 99.7817 | 0.00699 | 3.3084 | 224.9855 | 192.6195 | 13.32871 | – |
| 2025 Oct 04 17:57 | 2025 Sep 25 21:27:57 | 99.7817 | 0.00699 | 3.3084 | 224.9855 | 192.6195 | 13.32871 | – |
| 2025 Oct 03 17:57 | 2025 Sep 25 21:27:57 | 99.7817 | 0.00699 | 3.3084 | 224.9855 | 192.6195 | 13.32871 | – |
| 2025 Oct 02 17:56 | 2025 Sep 25 21:27:57 | 99.7817 | 0.00699 | 3.3084 | 224.9855 | 192.6195 | 13.32871 | – |
| 2025 Sep 30 17:56 | 2025 Sep 25 21:27:57 | 99.7817 | 0.00699 | 3.3084 | 224.9855 | 192.6195 | 13.32871 | – |
| 2025 Sep 29 17:56 | 2025 Sep 25 21:27:57 | 99.7817 | 0.00699 | 3.3084 | 224.9855 | 192.6195 | 13.32871 | – |
| 2025 Sep 28 17:56 | 2025 Sep 25 21:27:57 | 99.7817 | 0.00699 | 3.3084 | 224.9855 | 192.6195 | 13.32871 | – |
| 2025 Sep 27 17:56 | 2025 Sep 25 21:27:57 | 99.7817 | 0.00699 | 3.3084 | 224.9855 | 192.6195 | 13.32871 | – |
| 2025 Sep 26 17:56 | 2025 Sep 25 21:27:57 | 99.7817 | 0.00699 | 3.3084 | 224.9855 | 192.6195 | 13.32871 | – |
| 2025 Sep 25 17:56 | 2025 Sep 19 21:20:42 | 99.7806 | 0.00697 | 2.9269 | 239.4350 | 192.6195 | 13.32871 | – |
| 2025 Sep 24 17:56 | 2025 Sep 19 21:20:42 | 99.7806 | 0.00697 | 2.9269 | 239.4350 | 192.6195 | 13.32871 | – |
| 2025 Sep 20 17:56 | 2025 Sep 19 21:20:42 | 99.7806 | 0.00697 | 2.9269 | 239.4350 | 192.6195 | 13.32871 | – |
| 2025 Sep 19 17:56 | 2025 Sep 14 04:31:50 | 99.7795 | 0.00695 | 2.5649 | 253.2061 | 192.6195 | 13.32871 | – |
| 2025 Sep 18 17:56 | 2025 Sep 14 04:31:50 | 99.7795 | 0.00695 | 2.5649 | 253.2061 | 192.6195 | 13.32871 | – |