| Primary satellite | Secondary satellite |
| Name | Cosmos 2297 | FENGYUN 1C DEB |
| Spacetrack catalog number | 23404 | 31302 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 15 15:05 | 2021 Apr 15 05:59 |
| Time of closest approach (UTC) | 2021 Mar 08 14:22:54.117 |
| Minimum distance | 4.153 km |
| Height difference | -3.846 km |
| Relative speed | 4.425 km/s |
| Angle between velocity vectors | 35° |
| Geographic position | 34.7°S, 136.5°E |
| Height | 850 km |
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