| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17642 | 30221 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:03 | 2024 Dec 23 04:06 |
| Time of closest approach (UTC) | 2024 Dec 25 22:11:44.987 |
| Minimum distance | 2.689 km |
| Height difference | 0.605 km |
| Relative speed | 13.940 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 81.1°S, 80.6°E |
| Height | 786 km |
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