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 | 21388 |
| 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 22 18:56 | 2026 Jan 21 02:38:30 | 99.5482 | 0.00712 | 17.6506 | 268.6804 | 255.4322 | 13.50648 | – |
| 2026 Jan 21 18:56 | 2026 Jan 16 13:44:31 | 99.5485 | 0.00712 | 17.3603 | 280.1350 | 255.4322 | 13.50648 | – |
| 2026 Jan 20 19:06 | 2026 Jan 16 13:44:31 | 99.5485 | 0.00712 | 17.3603 | 280.1350 | 255.4322 | 13.50648 | – |
| 2026 Jan 19 18:57 | 2026 Jan 16 13:44:31 | 99.5485 | 0.00712 | 17.3603 | 280.1350 | 255.4322 | 13.50648 | – |
| 2026 Jan 18 18:57 | 2026 Jan 16 13:44:31 | 99.5485 | 0.00712 | 17.3603 | 280.1350 | 255.4322 | 13.50648 | – |
| 2026 Jan 17 18:56 | 2026 Jan 16 13:44:31 | 99.5485 | 0.00712 | 17.3603 | 280.1350 | 255.4322 | 13.50648 | – |
| 2026 Jan 16 18:57 | 2026 Jan 16 13:44:31 | 99.5485 | 0.00712 | 17.3603 | 280.1350 | 255.4322 | 13.50648 | – |
| 2026 Jan 15 18:56 | 2026 Jan 09 06:00:47 | 99.5495 | 0.00714 | 16.8919 | 298.6045 | 255.4322 | 13.50648 | – |
| 2026 Jan 13 18:56 | 2026 Jan 09 06:00:47 | 99.5495 | 0.00714 | 16.8919 | 298.6045 | 255.4322 | 13.50648 | – |
| 2026 Jan 11 18:57 | 2026 Jan 09 06:00:47 | 99.5495 | 0.00714 | 16.8919 | 298.6045 | 255.4322 | 13.50648 | – |
| 2026 Jan 10 18:57 | 2026 Jan 05 14:34:23 | 99.5493 | 0.00715 | 16.6587 | 307.7295 | 255.4322 | 13.50648 | – |
| 2026 Jan 09 18:57 | 2026 Jan 05 14:34:23 | 99.5493 | 0.00715 | 16.6587 | 307.7295 | 255.4322 | 13.50648 | – |
| 2026 Jan 08 18:56 | 2026 Jan 05 14:34:23 | 99.5493 | 0.00715 | 16.6587 | 307.7295 | 255.4322 | 13.50648 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 14:34:23 | 99.5493 | 0.00715 | 16.6587 | 307.7295 | 255.4322 | 13.50648 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 14:34:23 | 99.5493 | 0.00715 | 16.6587 | 307.7295 | 255.4322 | 13.50648 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 03:31:28 | 99.5494 | 0.00716 | 16.3094 | 321.4046 | 255.4322 | 13.50648 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 03:31:28 | 99.5494 | 0.00716 | 16.3094 | 321.4046 | 255.4322 | 13.50648 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 03:31:28 | 99.5494 | 0.00716 | 16.3094 | 321.4046 | 255.4322 | 13.50648 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 03:31:28 | 99.5494 | 0.00716 | 16.3094 | 321.4046 | 255.4322 | 13.50648 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 03:31:28 | 99.5494 | 0.00716 | 16.3094 | 321.4046 | 255.4322 | 13.50648 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 04:13:11 | 99.5498 | 0.00718 | 15.9913 | 333.8340 | 255.4322 | 13.50648 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 04:13:11 | 99.5498 | 0.00718 | 15.9913 | 333.8340 | 255.4322 | 13.50648 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 04:13:11 | 99.5498 | 0.00718 | 15.9913 | 333.8340 | 255.4322 | 13.50648 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 04:13:11 | 99.5498 | 0.00718 | 15.9913 | 333.8340 | 255.4322 | 13.50648 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 04:13:11 | 99.5498 | 0.00718 | 15.9913 | 333.8340 | 255.4322 | 13.50648 | – |