| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17642 | 31448 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:03 | 2024 Dec 22 20:01 |
| Time of closest approach (UTC) | 2024 Dec 27 03:17:12.578 |
| Minimum distance | 4.452 km |
| Height difference | 2.740 km |
| Relative speed | 14.955 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 62.0°N, 67.9°E |
| Height | 777 km |
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