| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12703 | 30257 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:13 | 2024 Dec 21 22:43 |
| Time of closest approach (UTC) | 2024 Dec 30 01:56:28.729 |
| Minimum distance | 3.161 km |
| Height difference | -2.478 km |
| Relative speed | 12.321 km/s |
| Angle between velocity vectors | 113° |
| Geographic position | 80.4°S, 5.9°W |
| Height | 898 km |
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