Orbital elements of DELTA 1 DEB
| Launched | 4 March 1978 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 12257 |
| 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 02 17:57 | 2026 Jul 31 20:39:11 | 99.3235 | 0.01007 | 11.3835 | 154.1265 | 206.4986 | 14.04902 | – |
| 2026 Aug 01 17:57 | 2026 Jul 31 20:39:11 | 99.3235 | 0.01007 | 11.3835 | 154.1265 | 206.4986 | 14.04902 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 07:15:39 | 99.3230 | 0.01005 | 11.0713 | 166.7398 | 206.4986 | 14.04902 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 07:15:39 | 99.3230 | 0.01005 | 11.0713 | 166.7398 | 206.4986 | 14.04902 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 07:15:39 | 99.3230 | 0.01005 | 11.0713 | 166.7398 | 206.4986 | 14.04902 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 07:15:39 | 99.3230 | 0.01005 | 11.0713 | 166.7398 | 206.4986 | 14.04902 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 07:15:39 | 99.3230 | 0.01005 | 11.0713 | 166.7398 | 206.4986 | 14.04902 | – |
| 2026 Jul 26 17:56 | 2026 Jul 21 02:33:17 | 99.3220 | 0.01001 | 10.6469 | 183.8738 | 206.4986 | 14.04902 | – |
| 2026 Jul 25 17:57 | 2026 Jul 21 02:33:17 | 99.3220 | 0.01001 | 10.6469 | 183.8738 | 206.4986 | 14.04902 | – |
| 2026 Jul 24 17:56 | 2026 Jul 21 02:33:17 | 99.3220 | 0.01001 | 10.6469 | 183.8738 | 206.4986 | 14.04902 | – |
| 2026 Jul 23 17:57 | 2026 Jul 21 02:33:17 | 99.3220 | 0.01001 | 10.6469 | 183.8738 | 206.4986 | 14.04902 | – |
| 2026 Jul 22 17:57 | 2026 Jul 21 02:33:17 | 99.3220 | 0.01001 | 10.6469 | 183.8738 | 206.4986 | 14.04902 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 02:33:17 | 99.3220 | 0.01001 | 10.6469 | 183.8738 | 206.4986 | 14.04902 | – |
| 2026 Jul 20 17:57 | 2026 Jul 15 20:04:08 | 99.3217 | 0.00998 | 10.2860 | 198.4327 | 206.4986 | 14.04902 | – |
| 2026 Jul 19 19:06 | 2026 Jul 15 20:04:08 | 99.3217 | 0.00998 | 10.2860 | 198.4327 | 206.4986 | 14.04902 | – |
| 2026 Jul 19 17:57 | 2026 Jul 15 20:04:08 | 99.3217 | 0.00998 | 10.2860 | 198.4327 | 206.4986 | 14.04902 | – |
| 2026 Jul 18 17:57 | 2026 Jul 15 20:04:08 | 99.3217 | 0.00998 | 10.2860 | 198.4327 | 206.4986 | 14.04902 | – |
| 2026 Jul 17 17:57 | 2026 Jul 15 20:04:08 | 99.3217 | 0.00998 | 10.2860 | 198.4327 | 206.4986 | 14.04902 | – |
| 2026 Jul 16 17:56 | 2026 Jul 15 20:04:08 | 99.3217 | 0.00998 | 10.2860 | 198.4327 | 206.4986 | 14.04902 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 08:23:06 | 99.3218 | 0.00996 | 9.9787 | 210.8761 | 206.4986 | 14.04902 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 08:23:06 | 99.3218 | 0.00996 | 9.9787 | 210.8761 | 206.4986 | 14.04902 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 08:23:06 | 99.3218 | 0.00996 | 9.9787 | 210.8761 | 206.4986 | 14.04902 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 08:23:06 | 99.3218 | 0.00996 | 9.9787 | 210.8761 | 206.4986 | 14.04902 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 08:23:06 | 99.3218 | 0.00996 | 9.9787 | 210.8761 | 206.4986 | 14.04902 | – |
| 2026 Jul 09 17:56 | 2026 Jul 04 17:25:23 | 99.3215 | 0.00994 | 9.5250 | 229.3186 | 206.4986 | 14.04902 | – |
| 2026 Jul 08 17:56 | 2026 Jul 04 17:25:23 | 99.3215 | 0.00994 | 9.5250 | 229.3186 | 206.4986 | 14.04902 | – |
| 2026 Jul 07 17:56 | 2026 Jul 04 17:25:23 | 99.3215 | 0.00994 | 9.5250 | 229.3186 | 206.4986 | 14.04902 | – |
| 2026 Jul 06 17:57 | 2026 Jul 04 17:25:23 | 99.3215 | 0.00994 | 9.5250 | 229.3186 | 206.4986 | 14.04902 | – |