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 07 18:57 | 2026 Jan 05 14:34:23 | 99.5493 | 0.00715 | 16.6587 | 307.7295 | 115.1397 | 13.50644 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 14:34:23 | 99.5493 | 0.00715 | 16.6587 | 307.7295 | 115.1397 | 13.50644 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 03:31:28 | 99.5494 | 0.00716 | 16.3094 | 321.4046 | 115.1397 | 13.50644 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 03:31:28 | 99.5494 | 0.00716 | 16.3094 | 321.4046 | 115.1397 | 13.50644 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 03:31:28 | 99.5494 | 0.00716 | 16.3094 | 321.4046 | 115.1397 | 13.50644 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 03:31:28 | 99.5494 | 0.00716 | 16.3094 | 321.4046 | 115.1397 | 13.50644 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 03:31:28 | 99.5494 | 0.00716 | 16.3094 | 321.4046 | 115.1397 | 13.50644 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 04:13:11 | 99.5498 | 0.00718 | 15.9913 | 333.8340 | 115.1397 | 13.50644 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 04:13:11 | 99.5498 | 0.00718 | 15.9913 | 333.8340 | 115.1397 | 13.50644 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 04:13:11 | 99.5498 | 0.00718 | 15.9913 | 333.8340 | 115.1397 | 13.50644 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 04:13:11 | 99.5498 | 0.00718 | 15.9913 | 333.8340 | 115.1397 | 13.50644 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 04:13:11 | 99.5498 | 0.00718 | 15.9913 | 333.8340 | 115.1397 | 13.50644 | – |
| 2025 Dec 25 18:57 | 2025 Dec 18 14:37:22 | 99.5501 | 0.00720 | 15.5071 | 352.7210 | 115.1397 | 13.50644 | – |
| 2025 Dec 24 18:56 | 2025 Dec 18 14:37:22 | 99.5501 | 0.00720 | 15.5071 | 352.7210 | 115.1397 | 13.50644 | – |
| 2025 Dec 23 18:56 | 2025 Dec 18 14:37:22 | 99.5501 | 0.00720 | 15.5071 | 352.7210 | 115.1397 | 13.50644 | – |
| 2025 Dec 22 18:57 | 2025 Dec 18 14:37:22 | 99.5501 | 0.00720 | 15.5071 | 352.7210 | 115.1397 | 13.50644 | – |
| 2025 Dec 21 18:57 | 2025 Dec 18 14:37:22 | 99.5501 | 0.00720 | 15.5071 | 352.7210 | 115.1397 | 13.50644 | – |
| 2025 Dec 20 18:57 | 2025 Dec 18 14:37:22 | 99.5501 | 0.00720 | 15.5071 | 352.7210 | 115.1397 | 13.50644 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 15:16:06 | 99.5505 | 0.00722 | 15.0609 | 10.0301 | 115.1397 | 13.50644 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 15:16:06 | 99.5505 | 0.00722 | 15.0609 | 10.0301 | 115.1397 | 13.50644 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 15:16:06 | 99.5505 | 0.00722 | 15.0609 | 10.0301 | 115.1397 | 13.50644 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 15:16:06 | 99.5505 | 0.00722 | 15.0609 | 10.0301 | 115.1397 | 13.50644 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 15:16:06 | 99.5505 | 0.00722 | 15.0609 | 10.0301 | 115.1397 | 13.50644 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 15:16:06 | 99.5505 | 0.00722 | 15.0609 | 10.0301 | 115.1397 | 13.50644 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 15:16:06 | 99.5505 | 0.00722 | 15.0609 | 10.0301 | 115.1397 | 13.50644 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 15:16:06 | 99.5505 | 0.00722 | 15.0609 | 10.0301 | 115.1397 | 13.50644 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 14:31:20 | 99.5504 | 0.00723 | 14.7390 | 22.5007 | 115.1397 | 13.50644 | – |