Orbital elements of HERMES-4
| Launched | 14 March 2025 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | Italy |
| NORAD ID | 63833 |
| 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 Jun 01 17:57 | 2026 Jun 01 03:20:32 | 97.3892 | 0.00007 | 3.0704 | 213.0785 | 147.0413 | 15.29654 | – |
| 2026 May 31 17:58 | 2026 May 31 03:47:31 | 97.3896 | 0.00005 | 3.0054 | 220.7178 | 147.0413 | 15.29654 | – |
| 2026 May 30 17:57 | 2026 May 30 04:14:28 | 97.3900 | 0.00005 | 2.9404 | 246.2812 | 147.0413 | 15.29654 | – |
| 2026 May 29 17:57 | 2026 May 29 04:41:22 | 97.3900 | 0.00004 | 2.8754 | 269.3291 | 147.0413 | 15.29654 | – |
| 2026 May 28 17:56 | 2026 May 28 03:34:00 | 97.3902 | 0.00004 | 2.8060 | 306.4919 | 147.0413 | 15.29654 | – |
| 2026 May 27 17:57 | 2026 May 27 05:35:02 | 97.3904 | 0.00005 | 2.7453 | 325.3450 | 147.0413 | 15.29654 | – |
| 2026 May 26 17:57 | 2026 May 26 06:01:48 | 97.3900 | 0.00007 | 2.6803 | 335.5515 | 147.0413 | 15.29654 | – |
| 2026 May 25 17:57 | 2026 May 24 16:20:34 | 97.3900 | 0.00009 | 2.5763 | 350.7431 | 147.0413 | 15.29654 | – |
| 2026 May 24 17:57 | 2026 May 24 03:46:48 | 97.3898 | 0.00010 | 2.5416 | 354.1623 | 147.0413 | 15.29654 | – |
| 2026 May 23 17:58 | 2026 May 23 10:30:22 | 97.3898 | 0.00011 | 2.4939 | 359.3445 | 147.0413 | 15.29654 | – |
| 2026 May 22 17:57 | 2026 May 22 04:40:07 | 97.3896 | 0.00012 | 2.4116 | 2.6331 | 147.0413 | 15.29654 | – |
| 2026 May 21 17:57 | 2026 May 21 05:06:44 | 97.3897 | 0.00014 | 2.3466 | 7.0775 | 147.0413 | 15.29654 | – |
| 2026 May 20 17:57 | 2026 May 20 03:59:06 | 97.3899 | 0.00015 | 2.2773 | 9.4540 | 147.0413 | 15.29654 | – |
| 2026 May 19 17:58 | 2026 May 19 10:42:35 | 97.3901 | 0.00016 | 2.2296 | 11.2612 | 147.0413 | 15.29654 | – |
| 2026 May 18 17:57 | 2026 May 18 03:17:59 | 97.3907 | 0.00018 | 2.1430 | 13.9907 | 147.0413 | 15.29654 | – |
| 2026 May 17 17:57 | 2026 May 17 11:35:40 | 97.3909 | 0.00019 | 2.0997 | 17.9512 | 147.0413 | 15.29654 | – |
| 2026 May 16 17:56 | 2026 May 14 22:20:33 | 97.3918 | 0.00023 | 1.9307 | 21.9411 | 147.0413 | 15.29654 | – |
| 2026 May 15 17:57 | 2026 May 14 22:20:33 | 97.3918 | 0.00023 | 1.9307 | 21.9411 | 147.0413 | 15.29654 | – |
| 2026 May 14 17:58 | 2026 May 13 22:47:00 | 97.3918 | 0.00024 | 1.8656 | 24.7639 | 147.0413 | 15.29654 | – |
| 2026 May 13 17:58 | 2026 May 13 11:47:20 | 97.3918 | 0.00024 | 1.8353 | 25.7066 | 147.0413 | 15.29654 | – |
| 2026 May 12 17:58 | 2026 May 12 05:56:48 | 97.3917 | 0.00026 | 1.7530 | 28.6586 | 147.0413 | 15.29654 | – |
| 2026 May 11 17:56 | 2026 May 11 11:05:56 | 97.3915 | 0.00027 | 1.7009 | 29.7406 | 147.0413 | 15.29654 | – |
| 2026 May 10 17:57 | 2026 May 10 05:15:21 | 97.3912 | 0.00029 | 1.6186 | 33.3674 | 147.0413 | 15.29654 | – |
| 2026 May 09 17:57 | 2026 May 09 04:07:28 | 97.3909 | 0.00030 | 1.5493 | 34.6512 | 147.0413 | 15.29654 | – |
| 2026 May 08 17:57 | 2026 May 08 04:33:49 | 97.3909 | 0.00031 | 1.4843 | 36.7575 | 147.0413 | 15.29654 | – |
| 2026 May 07 17:58 | 2026 May 07 05:00:08 | 97.3916 | 0.00032 | 1.4193 | 39.2551 | 147.0413 | 15.29654 | – |
| 2026 May 06 17:57 | 2026 May 06 10:09:10 | 97.3919 | 0.00033 | 1.3673 | 41.0136 | 147.0413 | 15.29654 | – |
| 2026 May 05 17:57 | 2026 May 05 10:35:26 | 97.3918 | 0.00034 | 1.3023 | 42.1161 | 147.0413 | 15.29654 | – |