| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1818 DEB |
| Spacetrack catalog number | 30218 | 34174 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 03:53 | 2024 Dec 18 01:38 |
| Time of closest approach (UTC) | 2024 Dec 25 18:38:40.385 |
| Minimum distance | 3.884 km |
| Height difference | 3.601 km |
| Relative speed | 14.825 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 3.3°S, 120.1°W |
| Height | 762 km |
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