| Primary satellite | Secondary satellite |
| Name | KKS-1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 33499 | 30490 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 07 21:29 | 2021 Mar 07 21:27 |
| Time of closest approach (UTC) | 2021 Jan 22 22:38:17.053 |
| Minimum distance | 17.245 km |
| Height difference | -3.005 km |
| Relative speed | 14.266 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 63.8°S, 164.5°E |
| Height | 673 km |
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