| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 30052 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 23 02:12 |
| Time of closest approach (UTC) | 2024 Dec 24 03:00:08.711 |
| Minimum distance | 0.903 km |
| Height difference | 0.449 km |
| Relative speed | 14.929 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 51.7°N, 81.6°E |
| Height | 856 km |
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