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 Jul 18 17:57 | 2026 Jul 18 04:22:31 | 97.4190 | 0.00095 | 18.0520 | 308.6653 | 51.3723 | 15.11615 | – |
| 2026 Jul 17 17:57 | 2026 Jul 16 19:00:44 | 97.4191 | 0.00096 | 17.9620 | 314.0987 | 51.3723 | 15.11615 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 04:42:50 | 97.4191 | 0.00097 | 17.9234 | 316.3788 | 51.3723 | 15.11615 | – |
| 2026 Jul 15 17:57 | 2026 Jul 15 03:17:40 | 97.4192 | 0.00097 | 17.8549 | 320.6577 | 51.3723 | 15.11615 | – |
| 2026 Jul 14 17:56 | 2026 Jul 14 03:27:49 | 97.4193 | 0.00098 | 17.7906 | 324.5376 | 51.3723 | 15.11615 | – |
| 2026 Jul 13 17:56 | 2026 Jul 13 00:27:19 | 97.4194 | 0.00099 | 17.7178 | 328.9428 | 51.3723 | 15.11615 | – |
| 2026 Jul 12 17:56 | 2026 Jul 12 03:48:06 | 97.4196 | 0.00099 | 17.6621 | 331.9739 | 51.3723 | 15.11615 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 10:19:32 | 97.4196 | 0.00100 | 17.6149 | 334.7700 | 51.3723 | 15.11615 | – |
| 2026 Jul 09 17:56 | 2026 Jul 08 18:46:34 | 97.4193 | 0.00102 | 17.4435 | 344.7362 | 51.3723 | 15.11615 | – |
| 2026 Jul 08 17:56 | 2026 Jul 08 10:49:57 | 97.4193 | 0.00102 | 17.4221 | 345.9498 | 51.3723 | 15.11615 | – |
| 2026 Jul 07 17:56 | 2026 Jul 06 23:52:48 | 97.4191 | 0.00104 | 17.3279 | 351.2730 | 51.3723 | 15.11615 | – |
| 2026 Jul 06 17:57 | 2026 Jul 06 04:48:54 | 97.4191 | 0.00104 | 17.2765 | 354.0246 | 51.3723 | 15.11615 | – |
| 2026 Jul 05 17:56 | 2026 Jul 05 00:13:03 | 97.4192 | 0.00106 | 17.1993 | 358.0336 | 51.3723 | 15.11615 | – |
| 2026 Jul 04 17:56 | 2026 Jul 03 22:47:50 | 97.4193 | 0.00107 | 17.1308 | 1.6645 | 51.3723 | 15.11615 | – |
| 2026 Jul 03 17:57 | 2026 Jul 02 10:15:19 | 97.4197 | 0.00109 | 17.0322 | 6.9496 | 51.3723 | 15.11615 | – |
| 2026 Jul 02 17:56 | 2026 Jul 02 03:54:01 | 97.4197 | 0.00109 | 17.0151 | 7.8617 | 51.3723 | 15.11615 | – |
| 2026 Jul 01 17:56 | 2026 Jul 01 04:04:06 | 97.4199 | 0.00110 | 16.9508 | 11.3335 | 51.3723 | 15.11615 | – |
| 2026 Jun 30 17:56 | 2026 Jun 29 10:45:35 | 97.4203 | 0.00112 | 16.8394 | 17.3209 | 51.3723 | 15.11615 | – |
| 2026 Jun 29 17:57 | 2026 Jun 29 10:45:35 | 97.4203 | 0.00112 | 16.8394 | 17.3209 | 51.3723 | 15.11615 | – |
| 2026 Jun 28 17:56 | 2026 Jun 27 22:13:02 | 97.4204 | 0.00113 | 16.7408 | 22.4683 | 51.3723 | 15.11615 | – |
| 2026 Jun 27 17:55 | 2026 Jun 27 11:05:44 | 97.4205 | 0.00114 | 16.7108 | 23.8997 | 51.3723 | 15.11615 | – |
| 2026 Jun 26 17:56 | 2026 Jun 25 11:25:52 | 97.4203 | 0.00115 | 16.5823 | 30.1547 | 51.3723 | 15.11615 | – |
| 2026 Jun 25 17:56 | 2026 Jun 25 03:29:13 | 97.4202 | 0.00115 | 16.5609 | 31.1550 | 51.3723 | 15.11615 | – |
| 2026 Jun 24 17:55 | 2026 Jun 24 03:39:17 | 97.4200 | 0.00116 | 16.4966 | 34.3163 | 51.3723 | 15.11615 | – |
| 2026 Jun 23 17:56 | 2026 Jun 22 02:24:02 | 97.4197 | 0.00118 | 16.3638 | 40.9590 | 51.3723 | 15.11615 | – |
| 2026 Jun 22 17:56 | 2026 Jun 20 10:40:46 | 97.4197 | 0.00120 | 16.2567 | 46.3416 | 51.3723 | 15.11615 | – |
| 2026 Jun 21 17:57 | 2026 Jun 20 10:40:46 | 97.4197 | 0.00120 | 16.2567 | 46.3416 | 51.3723 | 15.11615 | – |