| Primary satellite | Secondary satellite |
| Name | Meteor 1-21 | FENGYUN 1C DEB |
| Spacetrack catalog number | 7714 | 30886 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:48 | 2024 Dec 22 07:18 |
| Time of closest approach (UTC) | 2024 Dec 25 18:37:28.395 |
| Minimum distance | 0.322 km |
| Height difference | -0.124 km |
| Relative speed | 14.695 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 80.8°N, 128.6°E |
| Height | 858 km |
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