| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 540 Rocket |
| Spacetrack catalog number | 31826 | 6324 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:12 | 2024 Dec 23 12:10 |
| Time of closest approach (UTC) | 2024 Dec 27 19:43:30.251 |
| Minimum distance | 3.676 km |
| Height difference | 2.384 km |
| Relative speed | 6.796 km/s |
| Angle between velocity vectors | 54° |
| Geographic position | 61.9°N, 161.4°E |
| Height | 751 km |
|