| Primary satellite | Secondary satellite |
| Name | Meteor 1-4 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 4394 | 37427 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 16 21:52 | 2021 Apr 13 16:59 |
| Time of closest approach (UTC) | 2021 Mar 05 11:59:45.803 |
| Minimum distance | 11.608 km |
| Height difference | 3.318 km |
| Relative speed | 15.327 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 81.3°N, 39.8°W |
| Height | 480 km |
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