| Primary satellite | Secondary satellite |
| Name | Meteor 1-21 | FENGYUN 1C DEB |
| Spacetrack catalog number | 7714 | 30114 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:48 | 2024 Dec 23 06:49 |
| Time of closest approach (UTC) | 2024 Dec 23 15:35:31.627 |
| Minimum distance | 1.743 km |
| Height difference | -1.285 km |
| Relative speed | 4.638 km/s |
| Angle between velocity vectors | 36° |
| Geographic position | 60.8°N, 125.5°W |
| Height | 858 km |
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