| Primary satellite | Secondary satellite |
| Name | Cosmos 2112 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 21015 | 31887 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 17 05:21 | 2021 Apr 16 11:57 |
| Time of closest approach (UTC) | 2021 Mar 04 04:59:59.933 |
| Minimum distance | 61.745 km |
| Height difference | 3.072 km |
| Relative speed | 9.911 km/s |
| Angle between velocity vectors | 83° |
| Geographic position | 70.4°N, 14.5°W |
| Height | 769 km |
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