| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12669 | 29782 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 23 02:09 |
| Time of closest approach (UTC) | 2024 Dec 27 20:57:43.475 |
| Minimum distance | 4.192 km |
| Height difference | 2.601 km |
| Relative speed | 14.852 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 14.3°S, 172.1°E |
| Height | 863 km |
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