| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CHECKMATE 1 |
| Spacetrack catalog number | 30565 | 56169 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:00 | 2024 Dec 22 19:58 |
| Time of closest approach (UTC) | 2024 Dec 27 12:55:07.771 |
| Minimum distance | 3.880 km |
| Height difference | -3.611 km |
| Relative speed | 3.553 km/s |
| Angle between velocity vectors | 28° |
| Geographic position | 51.2°N, 52.8°W |
| Height | 958 km |
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