Orbital elements of CHECKMATE 4
| Launched | 1 April 2023 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 56164 |
| 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 20:03:45 | 81.0015 | 0.00061 | 16.5731 | 103.4089 | 256.7752 | 13.84787 | – |
| 2025 Dec 14 18:56 | 2025 Dec 13 23:15:13 | 81.0016 | 0.00061 | 16.6285 | 105.3912 | 256.7752 | 13.84787 | – |
| 2025 Dec 13 18:56 | 2025 Dec 13 07:38:50 | 81.0016 | 0.00061 | 16.6700 | 106.8233 | 256.7752 | 13.84787 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 07:22:14 | 81.0017 | 0.00061 | 16.7347 | 109.1931 | 256.7752 | 13.84787 | – |
| 2025 Dec 11 18:56 | 2025 Dec 11 05:21:35 | 81.0017 | 0.00060 | 16.8040 | 111.8275 | 256.7752 | 13.84787 | – |
| 2025 Dec 10 18:56 | 2025 Dec 10 12:01:09 | 81.0017 | 0.00060 | 16.8501 | 113.4607 | 256.7752 | 13.84787 | – |
| 2025 Dec 09 18:56 | 2025 Dec 09 11:44:32 | 81.0018 | 0.00060 | 16.9148 | 115.9713 | 256.7752 | 13.84787 | – |
| 2025 Dec 08 18:56 | 2025 Dec 08 06:15:48 | 81.0018 | 0.00059 | 16.9933 | 118.8813 | 256.7752 | 13.84787 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:15:09 | 81.0017 | 0.00059 | 17.0626 | 121.5444 | 256.7752 | 13.84787 | – |
| 2025 Dec 06 18:56 | 2025 Dec 06 03:58:32 | 81.0016 | 0.00059 | 17.1272 | 124.1207 | 256.7752 | 13.84787 | – |
| 2025 Dec 05 18:57 | 2025 Dec 05 07:10:01 | 81.0016 | 0.00058 | 17.1827 | 126.4036 | 256.7752 | 13.84787 | – |
| 2025 Dec 04 18:57 | 2025 Dec 04 06:53:24 | 81.0015 | 0.00058 | 17.2473 | 128.8184 | 256.7752 | 13.84787 | – |
| 2025 Dec 03 18:56 | 2025 Dec 03 11:48:55 | 81.0016 | 0.00058 | 17.2981 | 130.5729 | 256.7752 | 13.84787 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 06:20:11 | 81.0015 | 0.00058 | 17.3766 | 133.6537 | 256.7752 | 13.84787 | – |
| 2025 Nov 30 18:57 | 2025 Nov 30 12:43:08 | 81.0014 | 0.00057 | 17.4875 | 137.8370 | 256.7752 | 13.84787 | – |
| 2025 Nov 29 18:56 | 2025 Nov 29 03:46:18 | 81.0013 | 0.00056 | 17.5752 | 141.2331 | 256.7752 | 13.84787 | – |
| 2025 Nov 28 18:57 | 2025 Nov 28 01:45:39 | 81.0011 | 0.00056 | 17.6445 | 143.9766 | 256.7752 | 13.84787 | – |
| 2025 Nov 27 18:57 | 2025 Nov 27 06:41:10 | 81.0010 | 0.00056 | 17.6953 | 145.8049 | 256.7752 | 13.84787 | – |
| 2025 Nov 26 18:57 | 2025 Nov 26 08:08:36 | 81.0009 | 0.00055 | 17.7553 | 148.2559 | 256.7752 | 13.84787 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 07:51:59 | 81.0008 | 0.00055 | 17.8200 | 150.5608 | 256.7752 | 13.84787 | – |
| 2025 Nov 24 18:56 | 2025 Nov 24 07:35:22 | 81.0006 | 0.00054 | 17.8847 | 152.7275 | 256.7752 | 13.84787 | – |
| 2025 Nov 23 18:57 | 2025 Nov 23 07:18:45 | 81.0005 | 0.00054 | 17.9493 | 155.8058 | 256.7752 | 13.84787 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 23:49:21 | 81.0002 | 0.00053 | 18.0971 | 162.2345 | 256.7752 | 13.84787 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 06:28:55 | 81.0001 | 0.00053 | 18.1433 | 164.3172 | 256.7752 | 13.84787 | – |
| 2025 Nov 18 18:57 | 2025 Nov 18 09:23:46 | 80.9998 | 0.00052 | 18.2634 | 169.4576 | 256.7752 | 13.84787 | – |