| Primary satellite | Secondary satellite |
| Name | Cosmos 2263 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 22803 | 31523 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 19 12:42 | 2021 Apr 19 08:18 |
| Time of closest approach (UTC) | 2021 Mar 05 19:32:42.887 |
| Minimum distance | 31.549 km |
| Height difference | -6.369 km |
| Relative speed | 14.690 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 50.4°S, 15.9°E |
| Height | 861 km |
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