| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CHECKMATE 8 |
| Spacetrack catalog number | 30087 | 56163 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 08:24 | 2024 Dec 23 03:37 |
| Time of closest approach (UTC) | 2024 Dec 29 18:45:49.653 |
| Minimum distance | 4.762 km |
| Height difference | -0.316 km |
| Relative speed | 14.635 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 78.0°S, 156.0°E |
| Height | 972 km |
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