| Primary satellite | Secondary satellite |
| Name | Cosmos 2263 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 22803 | 31451 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 16 15:13 | 2021 Apr 15 23:38 |
| Time of closest approach (UTC) | 2021 Feb 28 21:33:54.493 |
| Minimum distance | 31.616 km |
| Height difference | 3.046 km |
| Relative speed | 14.810 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 7.2°N, 158.9°E |
| Height | 842 km |
|