| Primary satellite | Secondary satellite |
| Name | SJ 16-02 | FENGYUN 1C DEB |
| Spacetrack catalog number | 41634 | 30951 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 16 05:26 | 2021 Apr 15 19:25 |
| Time of closest approach (UTC) | 2021 Mar 01 17:29:16.510 |
| Minimum distance | 103.028 km |
| Height difference | 1.104 km |
| Relative speed | 8.556 km/s |
| Angle between velocity vectors | 69° |
| Geographic position | 67.1°N, 30.5°E |
| Height | 621 km |
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