Orbital elements of HYDROGNSS-2
| Launched | 27 November 2025 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | European Space Agency |
| NORAD ID | 66763 |
| 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 11:23:07 | 97.4303 | 0.00019 | 8.9906 | 347.1554 | 12.9631 | 15.17789 | – |
| 2026 Feb 27 19:05 | 2026 Feb 27 03:44:24 | 97.4302 | 0.00021 | 8.9043 | 349.8210 | 12.9631 | 15.17789 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 13:29:59 | 97.4303 | 0.00021 | 8.8655 | 353.1187 | 12.9631 | 15.17789 | – |
| 2026 Feb 05 18:58 | 2026 Feb 03 21:09:55 | 97.4346 | 0.00040 | 7.3811 | 102.0435 | 12.9631 | 15.17789 | – |
| 2026 Feb 04 18:57 | 2026 Feb 03 21:09:55 | 97.4346 | 0.00040 | 7.3811 | 102.0435 | 12.9631 | 15.17789 | – |
| 2026 Feb 03 18:56 | 2026 Feb 03 05:20:36 | 97.4346 | 0.00043 | 7.3379 | 103.1987 | 12.9631 | 15.17789 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 10:21:26 | 97.4349 | 0.00043 | 7.2861 | 104.9506 | 12.9631 | 15.17789 | – |
| 2026 Feb 01 18:56 | 2026 Feb 01 12:12:24 | 97.4353 | 0.00042 | 7.2257 | 107.0085 | 12.9631 | 15.17789 | – |