| Primary satellite | Secondary satellite |
| Name | Meteor 1-21 | FENGYUN 1C DEB |
| Spacetrack catalog number | 7714 | 37006 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:48 | 2024 Dec 19 07:30 |
| Time of closest approach (UTC) | 2024 Dec 29 06:40:56.699 |
| Minimum distance | 4.298 km |
| Height difference | 3.869 km |
| Relative speed | 14.729 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 20.7°S, 16.4°E |
| Height | 888 km |
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