| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | YAOGAN-40 01C |
| Spacetrack catalog number | 29812 | 57834 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:06 | 2024 Dec 22 23:16 |
| Time of closest approach (UTC) | 2024 Dec 25 18:05:04.437 |
| Minimum distance | 0.488 km |
| Height difference | 0.107 km |
| Relative speed | 9.318 km/s |
| Angle between velocity vectors | 77° |
| Geographic position | 79.7°S, 27.2°W |
| Height | 824 km |
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