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 | 21288 |
| 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 Aug 01 17:57 | 2026 Aug 01 07:25:23 | 99.6886 | 0.03581 | 9.0600 | 87.2539 | 34.0349 | 12.75769 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 07:06:39 | 99.6889 | 0.03579 | 8.7745 | 98.1620 | 34.0349 | 12.75769 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 07:06:39 | 99.6889 | 0.03579 | 8.7745 | 98.1620 | 34.0349 | 12.75769 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 07:06:39 | 99.6889 | 0.03579 | 8.7745 | 98.1620 | 34.0349 | 12.75769 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 07:06:39 | 99.6889 | 0.03579 | 8.7745 | 98.1620 | 34.0349 | 12.75769 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 07:06:39 | 99.6889 | 0.03579 | 8.7745 | 98.1620 | 34.0349 | 12.75769 | – |
| 2026 Jul 26 17:56 | 2026 Jul 21 06:12:10 | 99.6895 | 0.03576 | 8.4306 | 111.3088 | 34.0349 | 12.75769 | – |
| 2026 Jul 25 17:57 | 2026 Jul 21 06:12:10 | 99.6895 | 0.03576 | 8.4306 | 111.3088 | 34.0349 | 12.75769 | – |
| 2026 Jul 24 17:56 | 2026 Jul 21 06:12:10 | 99.6895 | 0.03576 | 8.4306 | 111.3088 | 34.0349 | 12.75769 | – |
| 2026 Jul 23 17:57 | 2026 Jul 21 06:12:10 | 99.6895 | 0.03576 | 8.4306 | 111.3088 | 34.0349 | 12.75769 | – |
| 2026 Jul 22 17:57 | 2026 Jul 21 06:12:10 | 99.6895 | 0.03576 | 8.4306 | 111.3088 | 34.0349 | 12.75769 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 06:12:10 | 99.6895 | 0.03576 | 8.4306 | 111.3088 | 34.0349 | 12.75769 | – |
| 2026 Jul 20 17:57 | 2026 Jul 16 05:46:04 | 99.6897 | 0.03574 | 8.1447 | 122.2440 | 34.0349 | 12.75769 | – |
| 2026 Jul 19 19:06 | 2026 Jul 16 05:46:04 | 99.6897 | 0.03574 | 8.1447 | 122.2440 | 34.0349 | 12.75769 | – |
| 2026 Jul 19 17:57 | 2026 Jul 16 05:46:04 | 99.6897 | 0.03574 | 8.1447 | 122.2440 | 34.0349 | 12.75769 | – |
| 2026 Jul 18 17:57 | 2026 Jul 16 05:46:04 | 99.6897 | 0.03574 | 8.1447 | 122.2440 | 34.0349 | 12.75769 | – |
| 2026 Jul 17 17:57 | 2026 Jul 16 05:46:04 | 99.6897 | 0.03574 | 8.1447 | 122.2440 | 34.0349 | 12.75769 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 05:46:04 | 99.6897 | 0.03574 | 8.1447 | 122.2440 | 34.0349 | 12.75769 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 05:20:23 | 99.6900 | 0.03572 | 7.8589 | 133.1814 | 34.0349 | 12.75769 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 05:20:23 | 99.6900 | 0.03572 | 7.8589 | 133.1814 | 34.0349 | 12.75769 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 05:20:23 | 99.6900 | 0.03572 | 7.8589 | 133.1814 | 34.0349 | 12.75769 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 05:20:23 | 99.6900 | 0.03572 | 7.8589 | 133.1814 | 34.0349 | 12.75769 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 05:20:23 | 99.6900 | 0.03572 | 7.8589 | 133.1814 | 34.0349 | 12.75769 | – |
| 2026 Jul 09 17:56 | 2026 Jul 05 06:16:01 | 99.6905 | 0.03570 | 7.5193 | 146.1820 | 34.0349 | 12.75769 | – |
| 2026 Jul 08 17:56 | 2026 Jul 05 06:16:01 | 99.6905 | 0.03570 | 7.5193 | 146.1820 | 34.0349 | 12.75769 | – |
| 2026 Jul 07 17:56 | 2026 Jul 05 06:16:01 | 99.6905 | 0.03570 | 7.5193 | 146.1820 | 34.0349 | 12.75769 | – |
| 2026 Jul 06 17:57 | 2026 Jul 05 06:16:01 | 99.6905 | 0.03570 | 7.5193 | 146.1820 | 34.0349 | 12.75769 | – |
| 2026 Jul 05 17:56 | 2026 Jul 05 06:16:01 | 99.6905 | 0.03570 | 7.5193 | 146.1820 | 34.0349 | 12.75769 | – |