Orbital elements of CHECKMATE 1
| Launched | 1 April 2023 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 56168 |
| 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 19:41:28 | 81.0045 | 0.00114 | 16.5814 | 118.9533 | 241.2767 | 13.84925 | – |
| 2025 Dec 14 18:56 | 2025 Dec 13 21:09:02 | 81.0045 | 0.00114 | 16.6414 | 121.3501 | 241.2767 | 13.84925 | – |
| 2025 Dec 13 18:56 | 2025 Dec 13 05:32:44 | 81.0044 | 0.00113 | 16.6830 | 122.9930 | 241.2767 | 13.84925 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 05:16:16 | 81.0045 | 0.00113 | 16.7476 | 125.6468 | 241.2767 | 13.84925 | – |
| 2025 Dec 11 18:56 | 2025 Dec 11 06:43:50 | 81.0045 | 0.00113 | 16.8076 | 128.0209 | 241.2767 | 13.84925 | – |
| 2025 Dec 10 18:56 | 2025 Dec 10 06:27:23 | 81.0046 | 0.00112 | 16.8723 | 130.6014 | 241.2767 | 13.84925 | – |
| 2025 Dec 09 18:56 | 2025 Dec 09 11:23:01 | 81.0046 | 0.00112 | 16.9231 | 132.6663 | 241.2767 | 13.84925 | – |
| 2025 Dec 08 18:56 | 2025 Dec 08 05:54:27 | 81.0046 | 0.00112 | 17.0016 | 135.8876 | 241.2767 | 13.84925 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 05:37:59 | 81.0045 | 0.00111 | 17.0662 | 138.5422 | 241.2767 | 13.84925 | – |
| 2025 Dec 06 18:56 | 2025 Dec 06 05:21:31 | 81.0045 | 0.00111 | 17.1308 | 141.2526 | 241.2767 | 13.84925 | – |
| 2025 Dec 05 18:57 | 2025 Dec 05 06:49:05 | 81.0044 | 0.00110 | 17.1909 | 143.7166 | 241.2767 | 13.84925 | – |
| 2025 Dec 04 18:57 | 2025 Dec 04 06:32:37 | 81.0043 | 0.00110 | 17.2555 | 146.3462 | 241.2767 | 13.84925 | – |
| 2025 Dec 03 18:56 | 2025 Dec 03 06:16:09 | 81.0043 | 0.00110 | 17.3202 | 148.9751 | 241.2767 | 13.84925 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 07:43:43 | 81.0042 | 0.00109 | 17.3802 | 151.3405 | 241.2767 | 13.84925 | – |
| 2025 Nov 30 18:57 | 2025 Nov 30 12:22:53 | 81.0042 | 0.00109 | 17.4956 | 156.0804 | 241.2767 | 13.84925 | – |
| 2025 Nov 29 18:56 | 2025 Nov 29 03:26:15 | 81.0040 | 0.00108 | 17.5834 | 159.7618 | 241.2767 | 13.84925 | – |
| 2025 Nov 28 18:57 | 2025 Nov 28 01:25:44 | 81.0041 | 0.00108 | 17.6526 | 162.6338 | 241.2767 | 13.84925 | – |
| 2025 Nov 27 18:57 | 2025 Nov 27 06:21:22 | 81.0040 | 0.00107 | 17.7034 | 164.6739 | 241.2767 | 13.84925 | – |
| 2025 Nov 26 18:57 | 2025 Nov 26 07:48:56 | 81.0040 | 0.00107 | 17.7635 | 167.2842 | 241.2767 | 13.84925 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 07:32:28 | 81.0037 | 0.00107 | 17.8281 | 169.8895 | 241.2767 | 13.84925 | – |
| 2025 Nov 24 18:56 | 2025 Nov 24 09:00:02 | 81.0034 | 0.00106 | 17.8881 | 172.3378 | 241.2767 | 13.84925 | – |
| 2025 Nov 23 18:57 | 2025 Nov 23 08:43:33 | 81.0033 | 0.00105 | 17.9528 | 175.2458 | 241.2767 | 13.84925 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 21:46:25 | 81.0030 | 0.00105 | 18.1098 | 182.2910 | 241.2767 | 13.84925 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 06:10:07 | 81.0029 | 0.00104 | 18.1514 | 184.0633 | 241.2767 | 13.84925 | – |
| 2025 Nov 18 18:57 | 2025 Nov 18 09:05:14 | 81.0026 | 0.00103 | 18.2714 | 189.2501 | 241.2767 | 13.84925 | – |