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 | 21278 |
| 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 12 17:56 | 2026 Aug 07 08:03:26 | 99.8325 | 0.03896 | 0.4388 | 120.8510 | 310.6505 | 12.77570 | – |
| 2026 Aug 11 17:56 | 2026 Aug 07 08:03:26 | 99.8325 | 0.03896 | 0.4388 | 120.8510 | 310.6505 | 12.77570 | – |
| 2026 Aug 10 17:56 | 2026 Aug 07 08:03:26 | 99.8325 | 0.03896 | 0.4388 | 120.8510 | 310.6505 | 12.77570 | – |
| 2026 Aug 09 17:57 | 2026 Aug 07 08:03:26 | 99.8325 | 0.03896 | 0.4388 | 120.8510 | 310.6505 | 12.77570 | – |
| 2026 Aug 08 17:57 | 2026 Aug 07 08:03:26 | 99.8325 | 0.03896 | 0.4388 | 120.8510 | 310.6505 | 12.77570 | – |
| 2026 Aug 07 17:57 | 2026 Aug 07 08:03:26 | 99.8325 | 0.03896 | 0.4388 | 120.8510 | 310.6505 | 12.77570 | – |
| 2026 Aug 06 17:57 | 2026 Jul 31 08:43:54 | 99.8314 | 0.03897 | 0.0344 | 135.9889 | 310.6505 | 12.77570 | – |
| 2026 Aug 05 17:56 | 2026 Jul 31 08:43:54 | 99.8314 | 0.03897 | 0.0344 | 135.9889 | 310.6505 | 12.77570 | – |
| 2026 Aug 04 17:57 | 2026 Jul 31 08:43:54 | 99.8314 | 0.03897 | 0.0344 | 135.9889 | 310.6505 | 12.77570 | – |
| 2026 Aug 03 17:56 | 2026 Jul 31 08:43:54 | 99.8314 | 0.03897 | 0.0344 | 135.9889 | 310.6505 | 12.77570 | – |
| 2026 Aug 02 17:57 | 2026 Jul 31 08:43:54 | 99.8314 | 0.03897 | 0.0344 | 135.9889 | 310.6505 | 12.77570 | – |
| 2026 Aug 01 17:57 | 2026 Jul 31 08:43:54 | 99.8314 | 0.03897 | 0.0344 | 135.9889 | 310.6505 | 12.77570 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 08:43:53 | 99.8305 | 0.03897 | 23.8024 | 144.6729 | 310.6505 | 12.77570 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 08:43:53 | 99.8305 | 0.03897 | 23.8024 | 144.6729 | 310.6505 | 12.77570 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 08:43:53 | 99.8305 | 0.03897 | 23.8024 | 144.6729 | 310.6505 | 12.77570 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 08:43:53 | 99.8305 | 0.03897 | 23.8024 | 144.6729 | 310.6505 | 12.77570 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 08:43:53 | 99.8305 | 0.03897 | 23.8024 | 144.6729 | 310.6505 | 12.77570 | – |
| 2026 Jul 26 17:56 | 2026 Jul 20 23:04:12 | 99.8297 | 0.03896 | 23.4311 | 158.5707 | 310.6505 | 12.77570 | – |
| 2026 Jul 25 17:57 | 2026 Jul 20 23:04:12 | 99.8297 | 0.03896 | 23.4311 | 158.5707 | 310.6505 | 12.77570 | – |
| 2026 Jul 24 17:56 | 2026 Jul 20 23:04:12 | 99.8297 | 0.03896 | 23.4311 | 158.5707 | 310.6505 | 12.77570 | – |
| 2026 Jul 23 17:57 | 2026 Jul 20 23:04:12 | 99.8297 | 0.03896 | 23.4311 | 158.5707 | 310.6505 | 12.77570 | – |
| 2026 Jul 22 17:57 | 2026 Jul 20 23:04:12 | 99.8297 | 0.03896 | 23.4311 | 158.5707 | 310.6505 | 12.77570 | – |
| 2026 Jul 21 17:57 | 2026 Jul 20 23:04:12 | 99.8297 | 0.03896 | 23.4311 | 158.5707 | 310.6505 | 12.77570 | – |
| 2026 Jul 20 17:57 | 2026 Jul 15 22:47:03 | 99.8289 | 0.03895 | 23.1405 | 169.4597 | 310.6505 | 12.77570 | – |
| 2026 Jul 19 19:06 | 2026 Jul 15 22:47:03 | 99.8289 | 0.03895 | 23.1405 | 169.4597 | 310.6505 | 12.77570 | – |
| 2026 Jul 19 17:57 | 2026 Jul 15 22:47:03 | 99.8289 | 0.03895 | 23.1405 | 169.4597 | 310.6505 | 12.77570 | – |
| 2026 Jul 18 17:57 | 2026 Jul 15 22:47:03 | 99.8289 | 0.03895 | 23.1405 | 169.4597 | 310.6505 | 12.77570 | – |
| 2026 Jul 17 17:57 | 2026 Jul 15 22:47:03 | 99.8289 | 0.03895 | 23.1405 | 169.4597 | 310.6505 | 12.77570 | – |
| 2026 Jul 16 17:56 | 2026 Jul 15 22:47:03 | 99.8289 | 0.03895 | 23.1405 | 169.4597 | 310.6505 | 12.77570 | – |