Orbital elements of HYDROGNSS-1
| Launched | 27 November 2025 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | European Space Agency |
| NORAD ID | 66762 |
| 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 Jan 11 18:57 | 2026 Jan 11 13:07:05 | 97.4382 | 0.00025 | 5.8520 | 163.6087 | 196.5229 | 15.17503 | – |
| 2026 Jan 10 18:57 | 2026 Jan 09 15:13:25 | 97.4382 | 0.00023 | 5.7268 | 168.7902 | 196.5229 | 15.17503 | – |
| 2026 Jan 09 18:57 | 2026 Jan 09 04:08:44 | 97.4382 | 0.00022 | 5.6965 | 170.6186 | 196.5229 | 15.17503 | – |
| 2026 Jan 08 18:56 | 2026 Jan 08 15:29:06 | 97.4383 | 0.00022 | 5.6620 | 172.4989 | 196.5229 | 15.17503 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 03:36:27 | 97.4393 | 0.00019 | 5.4332 | 184.1951 | 196.5229 | 15.17503 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 03:36:27 | 97.4393 | 0.00019 | 5.4332 | 184.1951 | 196.5229 | 15.17503 | – |
| 2026 Jan 05 18:57 | 2026 Jan 05 03:36:27 | 97.4393 | 0.00019 | 5.4332 | 184.1951 | 196.5229 | 15.17503 | – |
| 2026 Jan 04 18:56 | 2026 Jan 04 03:52:06 | 97.4396 | 0.00018 | 5.3684 | 188.2131 | 196.5229 | 15.17503 | – |
| 2026 Jan 03 18:57 | 2026 Jan 03 12:02:31 | 97.4399 | 0.00017 | 5.3252 | 190.6881 | 196.5229 | 15.17503 | – |
| 2026 Jan 01 18:56 | 2026 Jan 01 12:33:46 | 97.4405 | 0.00016 | 5.1957 | 196.6836 | 196.5229 | 15.17503 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 12:49:22 | 97.4407 | 0.00015 | 5.1309 | 201.4821 | 196.5229 | 15.17503 | – |
| 2025 Dec 30 18:56 | 2025 Dec 30 06:45:06 | 97.4406 | 0.00014 | 5.0489 | 208.7409 | 196.5229 | 15.17503 | – |
| 2025 Dec 29 18:56 | 2025 Dec 29 10:10:36 | 97.4405 | 0.00013 | 4.9927 | 212.4352 | 196.5229 | 15.17503 | – |
| 2025 Dec 28 18:57 | 2025 Dec 28 15:11:03 | 97.4403 | 0.00013 | 4.9409 | 217.5082 | 196.5229 | 15.17503 | – |
| 2025 Dec 27 18:57 | 2025 Dec 27 10:41:43 | 97.4403 | 0.00012 | 4.8632 | 224.3442 | 196.5229 | 15.17503 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 10:57:15 | 97.4401 | 0.00010 | 4.7984 | 229.4074 | 196.5229 | 15.17503 | – |
| 2025 Dec 25 18:57 | 2025 Dec 25 04:52:56 | 97.4403 | 0.00010 | 4.7164 | 239.2575 | 196.5229 | 15.17503 | – |
| 2025 Dec 24 18:56 | 2025 Dec 24 03:33:29 | 97.4406 | 0.00010 | 4.6473 | 249.5865 | 196.5229 | 15.17503 | – |
| 2025 Dec 23 18:56 | 2025 Dec 23 03:49:00 | 97.4408 | 0.00010 | 4.5825 | 260.7884 | 196.5229 | 15.17503 | – |
| 2025 Dec 22 18:57 | 2025 Dec 22 05:39:28 | 97.4411 | 0.00010 | 4.5221 | 268.6235 | 196.5229 | 15.17503 | – |
| 2025 Dec 21 18:57 | 2025 Dec 21 12:14:50 | 97.4414 | 0.00009 | 4.4746 | 273.2762 | 196.5229 | 15.17503 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 04:35:32 | 97.4418 | 0.00025 | 4.3882 | 306.2069 | 196.5229 | 15.17503 | – |
| 2025 Dec 19 18:57 | 2025 Dec 19 03:16:01 | 97.4421 | 0.00010 | 4.3191 | 293.8570 | 196.5229 | 15.17503 | – |