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 | 21497 |
| 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 11 18:57 | 2026 Jan 11 15:40:08 | 100.0223 | 0.00593 | 20.2874 | 19.2664 | 101.5231 | 13.32975 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 06:11:51 | 100.0220 | 0.00594 | 19.9364 | 32.0182 | 101.5231 | 13.32975 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 06:11:51 | 100.0220 | 0.00594 | 19.9364 | 32.0182 | 101.5231 | 13.32975 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 06:11:51 | 100.0220 | 0.00594 | 19.9364 | 32.0182 | 101.5231 | 13.32975 | – |
| 2026 Jan 07 18:57 | 2026 Jan 06 06:11:51 | 100.0220 | 0.00594 | 19.9364 | 32.0182 | 101.5231 | 13.32975 | – |
| 2026 Jan 06 18:56 | 2026 Jan 06 06:11:51 | 100.0220 | 0.00594 | 19.9364 | 32.0182 | 101.5231 | 13.32975 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 07:41:13 | 100.0214 | 0.00595 | 19.5499 | 46.0440 | 101.5231 | 13.32975 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 07:41:13 | 100.0214 | 0.00595 | 19.5499 | 46.0440 | 101.5231 | 13.32975 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 07:41:13 | 100.0214 | 0.00595 | 19.5499 | 46.0440 | 101.5231 | 13.32975 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 07:41:13 | 100.0214 | 0.00595 | 19.5499 | 46.0440 | 101.5231 | 13.32975 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 07:41:13 | 100.0214 | 0.00595 | 19.5499 | 46.0440 | 101.5231 | 13.32975 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 14:26:38 | 100.0209 | 0.00595 | 19.2429 | 57.1812 | 101.5231 | 13.32975 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 14:26:38 | 100.0209 | 0.00595 | 19.2429 | 57.1812 | 101.5231 | 13.32975 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 14:26:38 | 100.0209 | 0.00595 | 19.2429 | 57.1812 | 101.5231 | 13.32975 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 14:26:38 | 100.0209 | 0.00595 | 19.2429 | 57.1812 | 101.5231 | 13.32975 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 14:26:38 | 100.0209 | 0.00595 | 19.2429 | 57.1812 | 101.5231 | 13.32975 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 101.5231 | 13.32975 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 101.5231 | 13.32975 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 101.5231 | 13.32975 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 101.5231 | 13.32975 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 101.5231 | 13.32975 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 08:40:57 | 100.0206 | 0.00595 | 18.8369 | 71.8853 | 101.5231 | 13.32975 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 101.5231 | 13.32975 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 101.5231 | 13.32975 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 101.5231 | 13.32975 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 101.5231 | 13.32975 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 08:29:56 | 100.0192 | 0.00595 | 18.2508 | 93.1175 | 101.5231 | 13.32975 | – |