| Primary satellite | Secondary satellite |
| Name | Meteor 1-31 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 12586 | 31711 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 04 21:52 | 2021 Mar 04 01:09 |
| Time of closest approach (UTC) | 2021 Jan 24 03:02:43.983 |
| Minimum distance | 1410.962 km |
| Height difference | -9.137 km |
| Relative speed | 14.253 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 80.3°N, 74.6°E |
| Height | 549 km |
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