| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 31420 | 13811 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jan 27 12:38 | 2023 Jan 29 16:56 |
| Time of closest approach (UTC) | 2022 Nov 29 06:56:45.168 |
| Minimum distance | 45.593 km |
| Height difference | -4.762 km |
| Relative speed | 14.751 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 82.5°S, 81.3°W |
| Height | 900 km |
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