| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 46995 | 39936 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Dec 03 20:21 | 2023 Nov 18 21:07 |
| Time of closest approach (UTC) | 2023 Sep 25 12:09:29.697 |
| Minimum distance | 217.411 km |
| Height difference | 23.598 km |
| Relative speed | 14.669 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 81.4°N, 126.7°E |
| Height | 915 km |
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