| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12673 | 30709 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:38 | 2024 Dec 23 02:43 |
| Time of closest approach (UTC) | 2024 Dec 25 04:26:26.856 |
| Minimum distance | 1.749 km |
| Height difference | -0.371 km |
| Relative speed | 12.383 km/s |
| Angle between velocity vectors | 113° |
| Geographic position | 80.1°N, 96.2°E |
| Height | 872 km |
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