| Primary satellite | Secondary satellite |
| Name | Cosmos 724 | FENGYUN 1C DEB |
| Spacetrack catalog number | 7727 | 35122 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 21 12:56 | 2022 May 21 08:40 |
| Time of closest approach (UTC) | 2022 Jan 22 09:18:37.001 |
| Minimum distance | 298.580 km |
| Height difference | 2.818 km |
| Relative speed | 14.205 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 60.1°N, 137.7°E |
| Height | 879 km |
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