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 | 21356 |
| 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 |
| 2026 Jan 01 18:56 | 2025 Dec 31 14:50:46 | 99.7255 | 0.00927 | 19.2065 | 324.4794 | 156.6935 | 13.30746 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 14:50:46 | 99.7255 | 0.00927 | 19.2065 | 324.4794 | 156.6935 | 13.30746 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 14:13:40 | 99.7251 | 0.00929 | 18.8902 | 336.5037 | 156.6935 | 13.30746 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 14:13:40 | 99.7251 | 0.00929 | 18.8902 | 336.5037 | 156.6935 | 13.30746 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 14:13:40 | 99.7251 | 0.00929 | 18.8902 | 336.5037 | 156.6935 | 13.30746 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 14:13:40 | 99.7251 | 0.00929 | 18.8902 | 336.5037 | 156.6935 | 13.30746 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 14:13:40 | 99.7251 | 0.00929 | 18.8902 | 336.5037 | 156.6935 | 13.30746 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 12:38:12 | 99.7244 | 0.00931 | 18.4455 | 353.3880 | 156.6935 | 13.30746 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 12:38:12 | 99.7244 | 0.00931 | 18.4455 | 353.3880 | 156.6935 | 13.30746 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 12:38:12 | 99.7244 | 0.00931 | 18.4455 | 353.3880 | 156.6935 | 13.30746 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 12:38:12 | 99.7244 | 0.00931 | 18.4455 | 353.3880 | 156.6935 | 13.30746 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 12:38:12 | 99.7244 | 0.00931 | 18.4455 | 353.3880 | 156.6935 | 13.30746 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 12:38:12 | 99.7244 | 0.00931 | 18.4455 | 353.3880 | 156.6935 | 13.30746 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 09:28:27 | 99.7236 | 0.00933 | 17.9338 | 12.7558 | 156.6935 | 13.30746 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 09:28:27 | 99.7236 | 0.00933 | 17.9338 | 12.7558 | 156.6935 | 13.30746 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 09:28:27 | 99.7236 | 0.00933 | 17.9338 | 12.7558 | 156.6935 | 13.30746 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 09:28:27 | 99.7236 | 0.00933 | 17.9338 | 12.7558 | 156.6935 | 13.30746 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 09:28:27 | 99.7236 | 0.00933 | 17.9338 | 12.7558 | 156.6935 | 13.30746 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 09:28:27 | 99.7236 | 0.00933 | 17.9338 | 12.7558 | 156.6935 | 13.30746 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 09:28:27 | 99.7236 | 0.00933 | 17.9338 | 12.7558 | 156.6935 | 13.30746 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 09:28:27 | 99.7236 | 0.00933 | 17.9338 | 12.7558 | 156.6935 | 13.30746 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 02:05:31 | 99.7234 | 0.00933 | 17.6628 | 23.0190 | 156.6935 | 13.30746 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 02:05:31 | 99.7234 | 0.00933 | 17.6628 | 23.0190 | 156.6935 | 13.30746 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 02:05:31 | 99.7234 | 0.00933 | 17.6628 | 23.0190 | 156.6935 | 13.30746 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 02:05:31 | 99.7234 | 0.00933 | 17.6628 | 23.0190 | 156.6935 | 13.30746 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 02:05:31 | 99.7234 | 0.00933 | 17.6628 | 23.0190 | 156.6935 | 13.30746 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 08:54:49 | 99.7227 | 0.00934 | 17.3661 | 34.2433 | 156.6935 | 13.30746 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 08:54:49 | 99.7227 | 0.00934 | 17.3661 | 34.2433 | 156.6935 | 13.30746 | – |