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 | 21289 |
| 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 18 18:57 | 2026 Jan 16 13:06:06 | 99.8806 | 0.02468 | 1.0923 | 352.0741 | 122.4703 | 13.00015 | – |
| 2026 Jan 17 18:56 | 2026 Jan 16 13:06:06 | 99.8806 | 0.02468 | 1.0923 | 352.0741 | 122.4703 | 13.00015 | – |
| 2026 Jan 16 18:57 | 2026 Jan 16 13:06:06 | 99.8806 | 0.02468 | 1.0923 | 352.0741 | 122.4703 | 13.00015 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 13:04:48 | 99.8792 | 0.02469 | 0.7893 | 3.3757 | 122.4703 | 13.00015 | – |
| 2026 Jan 13 18:56 | 2026 Jan 11 13:04:48 | 99.8792 | 0.02469 | 0.7893 | 3.3757 | 122.4703 | 13.00015 | – |
| 2026 Jan 11 18:57 | 2026 Jan 11 13:04:48 | 99.8792 | 0.02469 | 0.7893 | 3.3757 | 122.4703 | 13.00015 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 05:18:55 | 99.8774 | 0.02470 | 0.4668 | 15.4129 | 122.4703 | 13.00015 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 05:18:55 | 99.8774 | 0.02470 | 0.4668 | 15.4129 | 122.4703 | 13.00015 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 05:18:55 | 99.8774 | 0.02470 | 0.4668 | 15.4129 | 122.4703 | 13.00015 | – |
| 2026 Jan 07 18:57 | 2026 Jan 06 05:18:55 | 99.8774 | 0.02470 | 0.4668 | 15.4129 | 122.4703 | 13.00015 | – |
| 2026 Jan 06 18:56 | 2026 Jan 06 05:18:55 | 99.8774 | 0.02470 | 0.4668 | 15.4129 | 122.4703 | 13.00015 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 14:45:28 | 99.8761 | 0.02471 | 0.1273 | 28.0952 | 122.4703 | 13.00015 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 14:45:28 | 99.8761 | 0.02471 | 0.1273 | 28.0952 | 122.4703 | 13.00015 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 14:45:28 | 99.8761 | 0.02471 | 0.1273 | 28.0952 | 122.4703 | 13.00015 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 14:45:28 | 99.8761 | 0.02471 | 0.1273 | 28.0952 | 122.4703 | 13.00015 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 14:45:28 | 99.8761 | 0.02471 | 0.1273 | 28.0952 | 122.4703 | 13.00015 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 11:13:00 | 99.8756 | 0.02472 | 23.8155 | 39.7419 | 122.4703 | 13.00015 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 11:13:00 | 99.8756 | 0.02472 | 23.8155 | 39.7419 | 122.4703 | 13.00015 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 11:13:00 | 99.8756 | 0.02472 | 23.8155 | 39.7419 | 122.4703 | 13.00015 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 11:13:00 | 99.8756 | 0.02472 | 23.8155 | 39.7419 | 122.4703 | 13.00015 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 11:13:00 | 99.8756 | 0.02472 | 23.8155 | 39.7419 | 122.4703 | 13.00015 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 11:07:49 | 99.8747 | 0.02474 | 23.4520 | 53.3365 | 122.4703 | 13.00015 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 11:07:49 | 99.8747 | 0.02474 | 23.4520 | 53.3365 | 122.4703 | 13.00015 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 11:07:49 | 99.8747 | 0.02474 | 23.4520 | 53.3365 | 122.4703 | 13.00015 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 11:07:49 | 99.8747 | 0.02474 | 23.4520 | 53.3365 | 122.4703 | 13.00015 | – |