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 Jan 11 18:57 | 2026 Jan 11 13:01:45 | 97.4386 | 0.00031 | 5.8526 | 158.8080 | 201.3282 | 15.17636 | – |
| 2026 Jan 10 18:57 | 2026 Jan 09 08:48:33 | 97.4387 | 0.00029 | 5.7101 | 164.1972 | 201.3282 | 15.17636 | – |
| 2026 Jan 09 18:57 | 2026 Jan 09 04:03:42 | 97.4387 | 0.00028 | 5.6972 | 165.1950 | 201.3282 | 15.17636 | – |
| 2026 Jan 08 18:56 | 2026 Jan 08 15:24:08 | 97.4388 | 0.00028 | 5.6626 | 166.5675 | 201.3282 | 15.17636 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 03:31:56 | 97.4397 | 0.00025 | 5.4338 | 178.1036 | 201.3282 | 15.17636 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 03:31:56 | 97.4397 | 0.00025 | 5.4338 | 178.1036 | 201.3282 | 15.17636 | – |
| 2026 Jan 05 18:57 | 2026 Jan 05 03:31:56 | 97.4397 | 0.00025 | 5.4338 | 178.1036 | 201.3282 | 15.17636 | – |
| 2026 Jan 04 18:56 | 2026 Jan 04 03:47:42 | 97.4401 | 0.00024 | 5.3690 | 182.3087 | 201.3282 | 15.17636 | – |
| 2026 Jan 03 18:57 | 2026 Jan 03 11:58:12 | 97.4403 | 0.00023 | 5.3258 | 184.3211 | 201.3282 | 15.17636 | – |
| 2026 Jan 01 18:56 | 2026 Jan 01 14:04:38 | 97.4410 | 0.00022 | 5.2006 | 189.2600 | 201.3282 | 15.17636 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 12:45:24 | 97.4411 | 0.00021 | 5.1315 | 194.1716 | 201.3282 | 15.17636 | – |
| 2025 Dec 30 18:56 | 2025 Dec 30 06:41:18 | 97.4411 | 0.00020 | 5.0494 | 199.3959 | 201.3282 | 15.17636 | – |
| 2025 Dec 29 18:56 | 2025 Dec 29 11:41:51 | 97.4409 | 0.00019 | 4.9976 | 203.4795 | 201.3282 | 15.17636 | – |
| 2025 Dec 28 18:57 | 2025 Dec 28 15:07:27 | 97.4408 | 0.00018 | 4.9414 | 207.9380 | 201.3282 | 15.17636 | – |
| 2025 Dec 27 18:57 | 2025 Dec 27 04:18:26 | 97.4407 | 0.00017 | 4.8464 | 214.6420 | 201.3282 | 15.17636 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 01:24:10 | 97.4407 | 0.00016 | 4.7730 | 220.2496 | 201.3282 | 15.17636 | – |
| 2025 Dec 25 18:57 | 2025 Dec 25 04:49:44 | 97.4407 | 0.00016 | 4.7168 | 224.7951 | 201.3282 | 15.17636 | – |
| 2025 Dec 24 18:56 | 2025 Dec 22 10:21:31 | 97.4416 | 0.00014 | 4.5355 | 244.5475 | 201.3282 | 15.17636 | – |
| 2025 Dec 23 18:56 | 2025 Dec 22 10:21:31 | 97.4416 | 0.00014 | 4.5355 | 244.5475 | 201.3282 | 15.17636 | – |
| 2025 Dec 22 18:57 | 2025 Dec 22 00:51:46 | 97.4417 | 0.00014 | 4.5096 | 245.9503 | 201.3282 | 15.17636 | – |
| 2025 Dec 21 18:57 | 2025 Dec 21 10:37:08 | 97.4419 | 0.00014 | 4.4707 | 249.0291 | 201.3282 | 15.17636 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 04:32:57 | 97.4430 | 0.00011 | 4.3886 | 138.4182 | 201.3282 | 15.17636 | – |
| 2025 Dec 19 18:57 | 2025 Dec 19 04:48:31 | 97.4424 | 0.00014 | 4.3238 | 265.8395 | 201.3282 | 15.17636 | – |