Orbital elements of CHECKMATE 8
| Launched | 1 April 2023 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 56162 |
| 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 |
| 2025 Dec 15 18:58 | 2025 Dec 14 20:40:07 | 81.0022 | 0.00072 | 16.5690 | 95.2177 | 264.9799 | 13.84919 | – |
| 2025 Dec 14 18:56 | 2025 Dec 13 23:51:43 | 81.0022 | 0.00072 | 16.6244 | 97.2818 | 264.9799 | 13.84919 | – |
| 2025 Dec 13 18:56 | 2025 Dec 13 04:47:21 | 81.0022 | 0.00072 | 16.6752 | 99.1795 | 264.9799 | 13.84919 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 04:30:53 | 81.0022 | 0.00071 | 16.7398 | 101.6223 | 264.9799 | 13.84919 | – |
| 2025 Dec 11 18:56 | 2025 Dec 11 05:58:27 | 81.0022 | 0.00071 | 16.7999 | 103.8050 | 264.9799 | 13.84919 | – |
| 2025 Dec 10 18:56 | 2025 Dec 10 10:54:05 | 81.0023 | 0.00071 | 16.8507 | 105.6700 | 264.9799 | 13.84919 | – |
| 2025 Dec 09 18:56 | 2025 Dec 09 05:25:30 | 81.0023 | 0.00071 | 16.9292 | 108.5900 | 264.9799 | 13.84919 | – |
| 2025 Dec 08 18:56 | 2025 Dec 08 05:09:02 | 81.0022 | 0.00071 | 16.9938 | 110.9071 | 264.9799 | 13.84919 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:52:34 | 81.0022 | 0.00071 | 17.0585 | 113.2515 | 264.9799 | 13.84919 | – |
| 2025 Dec 06 18:56 | 2025 Dec 06 04:36:06 | 81.0023 | 0.00070 | 17.1232 | 115.7096 | 264.9799 | 13.84919 | – |
| 2025 Dec 05 18:57 | 2025 Dec 05 06:03:39 | 81.0023 | 0.00070 | 17.1832 | 118.0678 | 264.9799 | 13.84919 | – |
| 2025 Dec 04 18:57 | 2025 Dec 04 07:31:13 | 81.0023 | 0.00070 | 17.2432 | 120.3782 | 264.9799 | 13.84919 | – |
| 2025 Dec 03 18:56 | 2025 Dec 03 07:14:45 | 81.0022 | 0.00069 | 17.3079 | 122.7648 | 264.9799 | 13.84919 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 06:58:16 | 81.0020 | 0.00069 | 17.3726 | 125.1058 | 264.9799 | 13.84919 | – |
| 2025 Nov 30 18:57 | 2025 Nov 30 13:21:28 | 81.0019 | 0.00069 | 17.4834 | 129.2513 | 264.9799 | 13.84919 | – |
| 2025 Nov 29 18:56 | 2025 Nov 29 04:24:49 | 81.0017 | 0.00069 | 17.5712 | 132.4579 | 264.9799 | 13.84919 | – |
| 2025 Nov 28 18:57 | 2025 Nov 28 02:24:19 | 81.0016 | 0.00068 | 17.6404 | 135.2057 | 264.9799 | 13.84919 | – |
| 2025 Nov 27 18:57 | 2025 Nov 27 07:19:57 | 81.0016 | 0.00068 | 17.6913 | 137.1260 | 264.9799 | 13.84919 | – |
| 2025 Nov 26 18:57 | 2025 Nov 26 07:03:28 | 81.0015 | 0.00067 | 17.7559 | 139.7775 | 264.9799 | 13.84919 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 06:47:00 | 81.0013 | 0.00067 | 17.8206 | 142.1534 | 264.9799 | 13.84919 | – |
| 2025 Nov 24 18:56 | 2025 Nov 24 08:14:33 | 81.0012 | 0.00067 | 17.8806 | 144.2102 | 264.9799 | 13.84919 | – |
| 2025 Nov 23 18:57 | 2025 Nov 23 07:58:05 | 81.0011 | 0.00066 | 17.9453 | 146.9608 | 264.9799 | 13.84919 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 22:44:57 | 81.0007 | 0.00065 | 18.0977 | 153.4698 | 264.9799 | 13.84919 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 07:08:39 | 81.0006 | 0.00065 | 18.1393 | 155.1661 | 264.9799 | 13.84919 | – |
| 2025 Nov 18 18:57 | 2025 Nov 18 08:19:44 | 81.0004 | 0.00064 | 18.2640 | 160.3005 | 264.9799 | 13.84919 | – |