| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12698 | 30621 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:12 | 2024 Dec 22 04:25 |
| Time of closest approach (UTC) | 2024 Dec 25 13:31:38.435 |
| Minimum distance | 1.766 km |
| Height difference | -1.356 km |
| Relative speed | 14.935 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 51.2°S, 174.0°W |
| Height | 816 km |
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