| Primary satellite | Secondary satellite |
| Name | FENGYUN 3A | SME Rocket |
| Spacetrack catalog number | 32958 | 12889 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 17 04:42 | 2021 Apr 16 13:35 |
| Time of closest approach (UTC) | 2021 Mar 01 06:43:15.797 |
| Minimum distance | 25.752 km |
| Height difference | -4.144 km |
| Relative speed | 13.502 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 69.6°S, 162.4°E |
| Height | 850 km |
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