| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1943 |
| Spacetrack catalog number | 31313 | 19119 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:00 | 2024 Dec 22 21:08 |
| Time of closest approach (UTC) | 2024 Dec 27 05:22:27.275 |
| Minimum distance | 2.355 km |
| Height difference | 1.843 km |
| Relative speed | 14.680 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 50.5°S, 115.9°W |
| Height | 859 km |
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