| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Blok Kosmos |
| Spacetrack catalog number | 31090 | 1478 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:59 | 2024 Dec 22 07:22 |
| Time of closest approach (UTC) | 2024 Dec 27 04:49:46.762 |
| Minimum distance | 2.894 km |
| Height difference | 1.312 km |
| Relative speed | 11.145 km/s |
| Angle between velocity vectors | 94° |
| Geographic position | 55.3°N, 147.5°W |
| Height | 620 km |
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