| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17642 | 37689 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:03 | 2024 Dec 19 07:15 |
| Time of closest approach (UTC) | 2024 Dec 27 14:36:14.891 |
| Minimum distance | 4.196 km |
| Height difference | -0.652 km |
| Relative speed | 14.977 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 19.8°S, 118.8°W |
| Height | 750 km |
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