| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | STERKH 2 |
| Spacetrack catalog number | 31357 | 35866 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 14:11 | 2024 Dec 23 12:23 |
| Time of closest approach (UTC) | 2024 Dec 29 19:44:37.137 |
| Minimum distance | 3.496 km |
| Height difference | 0.571 km |
| Relative speed | 9.163 km/s |
| Angle between velocity vectors | 76° |
| Geographic position | 79.1°S, 55.8°E |
| Height | 842 km |
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