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 Apr 16 17:57 | 2026 Apr 15 05:05:20 | 97.3955 | 0.00049 | 23.9636 | 81.3541 | 278.8254 | 15.28193 | – |
| 2026 Apr 14 17:57 | 2026 Apr 14 03:56:42 | 97.3957 | 0.00049 | 23.8943 | 83.4188 | 278.8254 | 15.28193 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 23:39:27 | 97.3955 | 0.00049 | 23.8163 | 85.8871 | 278.8254 | 15.28193 | – |
| 2026 Apr 12 17:57 | 2026 Apr 11 03:39:15 | 97.3951 | 0.00050 | 23.6950 | 89.6461 | 278.8254 | 15.28193 | – |
| 2026 Apr 11 17:57 | 2026 Apr 11 03:39:15 | 97.3951 | 0.00050 | 23.6950 | 89.6461 | 278.8254 | 15.28193 | – |
| 2026 Apr 10 17:58 | 2026 Apr 10 04:04:49 | 97.3950 | 0.00050 | 23.6300 | 91.5382 | 278.8254 | 15.28193 | – |
| 2026 Apr 09 18:01 | 2026 Apr 09 04:30:22 | 97.3950 | 0.00049 | 23.5651 | 93.4733 | 278.8254 | 15.28193 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 04:55:52 | 97.3950 | 0.00049 | 23.5001 | 95.4357 | 278.8254 | 15.28193 | – |
| 2026 Apr 07 17:57 | 2026 Apr 07 03:47:03 | 97.3951 | 0.00049 | 23.4308 | 98.1325 | 278.8254 | 15.28193 | – |
| 2026 Apr 06 17:57 | 2026 Apr 06 04:12:30 | 97.3956 | 0.00049 | 23.3658 | 99.8333 | 278.8254 | 15.28193 | – |
| 2026 Apr 05 17:56 | 2026 Apr 05 10:55:08 | 97.3960 | 0.00048 | 23.3182 | 100.8692 | 278.8254 | 15.28193 | – |
| 2026 Apr 04 17:57 | 2026 Apr 04 03:28:58 | 97.3966 | 0.00049 | 23.2315 | 103.6799 | 278.8254 | 15.28193 | – |
| 2026 Apr 03 17:56 | 2026 Apr 03 05:28:36 | 97.3970 | 0.00048 | 23.1709 | 105.1406 | 278.8254 | 15.28193 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 04:19:33 | 97.3973 | 0.00047 | 23.1016 | 107.1078 | 278.8254 | 15.28193 | – |
| 2026 Mar 31 17:57 | 2026 Mar 31 05:09:54 | 97.3980 | 0.00047 | 22.9716 | 110.5908 | 278.8254 | 15.28193 | – |
| 2026 Mar 30 17:58 | 2026 Mar 30 10:18:00 | 97.3981 | 0.00047 | 22.9196 | 111.2369 | 278.8254 | 15.28193 | – |
| 2026 Mar 29 17:57 | 2026 Mar 29 04:25:46 | 97.3979 | 0.00045 | 22.8373 | 113.6593 | 278.8254 | 15.28193 | – |
| 2026 Mar 28 18:57 | 2026 Mar 28 06:25:07 | 97.3978 | 0.00045 | 22.7767 | 115.3735 | 278.8254 | 15.28193 | – |
| 2026 Mar 27 18:57 | 2026 Mar 27 05:15:46 | 97.3977 | 0.00044 | 22.7074 | 117.1121 | 278.8254 | 15.28193 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 05:40:43 | 97.3975 | 0.00043 | 22.6424 | 119.1523 | 278.8254 | 15.28193 | – |
| 2026 Mar 25 18:56 | 2026 Mar 25 10:48:39 | 97.3976 | 0.00043 | 22.5904 | 120.7088 | 278.8254 | 15.28193 | – |
| 2026 Mar 24 18:56 | 2026 Mar 23 22:38:49 | 97.3973 | 0.00042 | 22.4908 | 124.2155 | 278.8254 | 15.28193 | – |
| 2026 Mar 23 18:56 | 2026 Mar 23 10:04:04 | 97.3976 | 0.00042 | 22.4562 | 124.6842 | 278.8254 | 15.28193 | – |
| 2026 Mar 22 18:56 | 2026 Mar 22 04:11:30 | 97.3983 | 0.00040 | 22.3739 | 127.2944 | 278.8254 | 15.28193 | – |
| 2026 Mar 21 19:05 | 2026 Mar 21 10:53:39 | 97.3985 | 0.00039 | 22.3263 | 129.0513 | 278.8254 | 15.28193 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 05:00:58 | 97.3991 | 0.00038 | 22.2440 | 131.4260 | 278.8254 | 15.28193 | – |