| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 31736 | 42200 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:36 | 2024 Dec 19 06:48 |
| Time of closest approach (UTC) | 2024 Dec 23 23:02:27.083 |
| Minimum distance | 4.206 km |
| Height difference | -3.350 km |
| Relative speed | 14.820 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 71.6°S, 46.3°W |
| Height | 877 km |
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