| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2499 DEB |
| Spacetrack catalog number | 31766 | 60615 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 05:40 | 2024 Dec 21 05:39 |
| Time of closest approach (UTC) | 2024 Dec 23 18:49:04.161 |
| Minimum distance | 3.499 km |
| Height difference | -3.088 km |
| Relative speed | 14.786 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 51.0°S, 3.5°W |
| Height | 911 km |
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