Orbital elements of UMBRA-11
| Launched | 27 November 2025 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 66748 |
| 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 Feb 28 18:56 | 2026 Feb 28 11:37:46 | 97.4300 | 0.00016 | 9.0092 | 31.1552 | 328.9779 | 15.21767 | – |
| 2026 Feb 27 19:05 | 2026 Feb 27 04:03:59 | 97.4297 | 0.00018 | 8.9227 | 34.6663 | 328.9779 | 15.21767 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 13:51:45 | 97.4297 | 0.00018 | 8.8837 | 36.9350 | 328.9779 | 15.21767 | – |
| 2026 Feb 05 18:58 | 2026 Feb 05 11:05:46 | 97.4331 | 0.00030 | 7.4943 | 87.8326 | 328.9779 | 15.21767 | – |
| 2026 Feb 04 18:57 | 2026 Feb 04 03:30:42 | 97.4337 | 0.00031 | 7.4078 | 91.9937 | 328.9779 | 15.21767 | – |
| 2026 Feb 03 18:56 | 2026 Feb 03 03:49:20 | 97.4341 | 0.00029 | 7.3429 | 94.7237 | 328.9779 | 15.21767 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 04:07:55 | 97.4343 | 0.00031 | 7.2780 | 97.4421 | 328.9779 | 15.21767 | – |
| 2026 Feb 01 18:56 | 2026 Feb 01 04:26:28 | 97.4349 | 0.00032 | 7.2131 | 99.9557 | 328.9779 | 15.21767 | – |