| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 29993 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 23 02:54 |
| Time of closest approach (UTC) | 2024 Dec 26 12:18:35.451 |
| Minimum distance | 4.604 km |
| Height difference | 4.555 km |
| Relative speed | 14.779 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 78.5°S, 109.0°W |
| Height | 868 km |
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