| Primary satellite | Secondary satellite |
| Name | Kosmos-1308 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12835 | 32179 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:25 | 2024 Dec 22 14:32 |
| Time of closest approach (UTC) | 2024 Dec 24 04:40:10.565 |
| Minimum distance | 4.297 km |
| Height difference | -4.286 km |
| Relative speed | 14.551 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 77.9°S, 18.0°E |
| Height | 1018 km |
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