| Primary satellite | Secondary satellite |
| Name | KKS-1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 33499 | 30088 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 07 21:29 | 2021 Mar 07 22:31 |
| Time of closest approach (UTC) | 2021 Jan 21 11:18:06.421 |
| Minimum distance | 7.154 km |
| Height difference | -3.313 km |
| Relative speed | 14.891 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 37.9°N, 49.1°W |
| Height | 652 km |
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