| Primary satellite | Secondary satellite |
| Name | FENGYUN 3A | METEOR 2-5 DEB |
| Spacetrack catalog number | 32958 | 38280 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 11 21:45 | 2021 Apr 10 15:39 |
| Time of closest approach (UTC) | 2021 Mar 06 23:43:57.921 |
| Minimum distance | 47.273 km |
| Height difference | -0.518 km |
| Relative speed | 14.396 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 81.3°S, 12.0°W |
| Height | 852 km |
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