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 | 21680 |
| 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 10 09:24:54 | 99.5719 | 0.03806 | 11.2488 | 284.2326 | 99.0128 | 12.72717 | – |
| 2026 Jan 10 18:57 | 2026 Jan 05 10:31:39 | 99.5710 | 0.03806 | 10.9712 | 295.0373 | 99.0128 | 12.72717 | – |
| 2026 Jan 09 18:57 | 2026 Jan 05 10:31:39 | 99.5710 | 0.03806 | 10.9712 | 295.0373 | 99.0128 | 12.72717 | – |
| 2026 Jan 08 18:56 | 2026 Jan 05 10:31:39 | 99.5710 | 0.03806 | 10.9712 | 295.0373 | 99.0128 | 12.72717 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 10:31:39 | 99.5710 | 0.03806 | 10.9712 | 295.0373 | 99.0128 | 12.72717 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 10:31:39 | 99.5710 | 0.03806 | 10.9712 | 295.0373 | 99.0128 | 12.72717 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 09:48:37 | 99.5705 | 0.03805 | 10.6895 | 306.0052 | 99.0128 | 12.72717 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 09:48:37 | 99.5705 | 0.03805 | 10.6895 | 306.0052 | 99.0128 | 12.72717 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 09:48:37 | 99.5705 | 0.03805 | 10.6895 | 306.0052 | 99.0128 | 12.72717 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 09:48:37 | 99.5705 | 0.03805 | 10.6895 | 306.0052 | 99.0128 | 12.72717 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 09:48:37 | 99.5705 | 0.03805 | 10.6895 | 306.0052 | 99.0128 | 12.72717 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 09:04:31 | 99.5708 | 0.03804 | 10.4079 | 316.9888 | 99.0128 | 12.72717 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 09:04:31 | 99.5708 | 0.03804 | 10.4079 | 316.9888 | 99.0128 | 12.72717 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 09:04:31 | 99.5708 | 0.03804 | 10.4079 | 316.9888 | 99.0128 | 12.72717 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 09:04:31 | 99.5708 | 0.03804 | 10.4079 | 316.9888 | 99.0128 | 12.72717 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 09:04:31 | 99.5708 | 0.03804 | 10.4079 | 316.9888 | 99.0128 | 12.72717 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 09:10:17 | 99.5720 | 0.03799 | 10.0162 | 332.2810 | 99.0128 | 12.72717 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 09:10:17 | 99.5720 | 0.03799 | 10.0162 | 332.2810 | 99.0128 | 12.72717 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 09:10:17 | 99.5720 | 0.03799 | 10.0162 | 332.2810 | 99.0128 | 12.72717 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 09:10:17 | 99.5720 | 0.03799 | 10.0162 | 332.2810 | 99.0128 | 12.72717 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 09:10:17 | 99.5720 | 0.03799 | 10.0162 | 332.2810 | 99.0128 | 12.72717 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 09:10:17 | 99.5720 | 0.03799 | 10.0162 | 332.2810 | 99.0128 | 12.72717 | – |
| 2025 Dec 19 18:57 | 2025 Dec 10 10:06:03 | 99.5709 | 0.03802 | 9.5143 | 351.8067 | 99.0128 | 12.72717 | – |
| 2025 Dec 18 18:57 | 2025 Dec 10 10:06:03 | 99.5709 | 0.03802 | 9.5143 | 351.8067 | 99.0128 | 12.72717 | – |
| 2025 Dec 17 18:58 | 2025 Dec 10 10:06:03 | 99.5709 | 0.03802 | 9.5143 | 351.8067 | 99.0128 | 12.72717 | – |
| 2025 Dec 16 18:57 | 2025 Dec 10 10:06:03 | 99.5709 | 0.03802 | 9.5143 | 351.8067 | 99.0128 | 12.72717 | – |