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 04 18:56 | 2025 Dec 31 14:45:28 | 99.8761 | 0.02471 | 0.1273 | 28.0952 | 85.2568 | 12.99992 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 14:45:28 | 99.8761 | 0.02471 | 0.1273 | 28.0952 | 85.2568 | 12.99992 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 14:45:28 | 99.8761 | 0.02471 | 0.1273 | 28.0952 | 85.2568 | 12.99992 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 14:45:28 | 99.8761 | 0.02471 | 0.1273 | 28.0952 | 85.2568 | 12.99992 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 11:13:00 | 99.8756 | 0.02472 | 23.8155 | 39.7419 | 85.2568 | 12.99992 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 11:13:00 | 99.8756 | 0.02472 | 23.8155 | 39.7419 | 85.2568 | 12.99992 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 11:13:00 | 99.8756 | 0.02472 | 23.8155 | 39.7419 | 85.2568 | 12.99992 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 11:13:00 | 99.8756 | 0.02472 | 23.8155 | 39.7419 | 85.2568 | 12.99992 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 11:13:00 | 99.8756 | 0.02472 | 23.8155 | 39.7419 | 85.2568 | 12.99992 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 11:07:49 | 99.8747 | 0.02474 | 23.4520 | 53.3365 | 85.2568 | 12.99992 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 11:07:49 | 99.8747 | 0.02474 | 23.4520 | 53.3365 | 85.2568 | 12.99992 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 11:07:49 | 99.8747 | 0.02474 | 23.4520 | 53.3365 | 85.2568 | 12.99992 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 11:07:49 | 99.8747 | 0.02474 | 23.4520 | 53.3365 | 85.2568 | 12.99992 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 11:07:49 | 99.8747 | 0.02474 | 23.4520 | 53.3365 | 85.2568 | 12.99992 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 11:07:49 | 99.8747 | 0.02474 | 23.4520 | 53.3365 | 85.2568 | 12.99992 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 06:38:07 | 99.8751 | 0.02475 | 22.9562 | 71.8602 | 85.2568 | 12.99992 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 06:38:07 | 99.8751 | 0.02475 | 22.9562 | 71.8602 | 85.2568 | 12.99992 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 06:38:07 | 99.8751 | 0.02475 | 22.9562 | 71.8602 | 85.2568 | 12.99992 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 06:38:07 | 99.8751 | 0.02475 | 22.9562 | 71.8602 | 85.2568 | 12.99992 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 06:38:07 | 99.8751 | 0.02475 | 22.9562 | 71.8602 | 85.2568 | 12.99992 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:38:07 | 99.8751 | 0.02475 | 22.9562 | 71.8602 | 85.2568 | 12.99992 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:38:07 | 99.8751 | 0.02475 | 22.9562 | 71.8602 | 85.2568 | 12.99992 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:38:07 | 99.8751 | 0.02475 | 22.9562 | 71.8602 | 85.2568 | 12.99992 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 23:16:22 | 99.8757 | 0.02476 | 22.6349 | 83.8567 | 85.2568 | 12.99992 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 23:16:22 | 99.8757 | 0.02476 | 22.6349 | 83.8567 | 85.2568 | 12.99992 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 23:16:22 | 99.8757 | 0.02476 | 22.6349 | 83.8567 | 85.2568 | 12.99992 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 23:16:22 | 99.8757 | 0.02476 | 22.6349 | 83.8567 | 85.2568 | 12.99992 | – |