| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Meteor 1-21 Rocket |
| Spacetrack catalog number | 37589 | 7715 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 12:27 | 2024 Dec 22 19:04 |
| Time of closest approach (UTC) | 2024 Dec 28 14:52:46.177 |
| Minimum distance | 2.994 km |
| Height difference | 2.738 km |
| Relative speed | 14.901 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 30.2°S, 113.4°E |
| Height | 843 km |
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