| Primary satellite | Secondary satellite |
| Name | Meteor 2-21 | FENGYUN 1C DEB |
| Spacetrack catalog number | 22782 | 31455 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 17 20:17 | 2025 Nov 15 18:12 |
| Time of closest approach (UTC) | 2025 Oct 16 00:12:07.634 |
| Minimum distance | 23.807 km |
| Height difference | -5.902 km |
| Relative speed | 14.256 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 81.3°N, 158.9°E |
| Height | 963 km |
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