| Primary satellite | Secondary satellite |
| Name | Cosmos 2266 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 22889 | 30394 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jun 19 14:37 | 2025 Jun 19 01:01 |
| Time of closest approach (UTC) | 2025 May 15 22:16:14.311 |
| Minimum distance | 12.539 km |
| Height difference | -1.039 km |
| Relative speed | 14.667 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 75.3°N, 88.8°W |
| Height | 962 km |
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