| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 31906 | 42115 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:35 | 2024 Dec 21 21:12 |
| Time of closest approach (UTC) | 2024 Dec 28 00:04:39.967 |
| Minimum distance | 2.948 km |
| Height difference | -1.623 km |
| Relative speed | 14.893 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 21.8°N, 139.6°W |
| Height | 834 km |
|