| Primary satellite | Secondary satellite |
| Name | KKS-1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 33499 | 30563 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 06 12:56 | 2021 Mar 06 06:24 |
| Time of closest approach (UTC) | 2021 Jan 22 06:19:56.419 |
| Minimum distance | 20.225 km |
| Height difference | -1.990 km |
| Relative speed | 13.454 km/s |
| Angle between velocity vectors | 127° |
| Geographic position | 70.2°S, 55.8°E |
| Height | 674 km |
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