| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 31420 | 12772 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jan 27 12:38 | 2023 Jan 29 22:12 |
| Time of closest approach (UTC) | 2022 Dec 04 21:00:11.744 |
| Minimum distance | 276.267 km |
| Height difference | -1.241 km |
| Relative speed | 14.101 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 80.9°S, 23.3°E |
| Height | 915 km |
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