| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 29773 | 42100 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:12 | 2024 Dec 20 05:54 |
| Time of closest approach (UTC) | 2024 Dec 24 14:51:29.112 |
| Minimum distance | 2.953 km |
| Height difference | -2.947 km |
| Relative speed | 14.886 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 67.1°S, 156.5°W |
| Height | 812 km |
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