| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-397 |
| Spacetrack catalog number | 33745 | 5011 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Aug 15 10:23 | 2022 Aug 15 14:26 |
| Time of closest approach (UTC) | 2022 Jul 05 01:08:29.999 |
| Minimum distance | 100.051 km |
| Height difference | 2.310 km |
| Relative speed | 13.090 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 64.4°N, 145.7°W |
| Height | 907 km |
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