| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12658 | 30677 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:26 | 2024 Dec 21 15:12 |
| Time of closest approach (UTC) | 2024 Dec 28 11:47:34.686 |
| Minimum distance | 4.154 km |
| Height difference | -0.525 km |
| Relative speed | 14.621 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 81.6°S, 116.1°W |
| Height | 811 km |
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