| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1486 |
| Spacetrack catalog number | 31179 | 14240 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 06:50 | 2024 Dec 22 21:41 |
| Time of closest approach (UTC) | 2024 Dec 28 04:06:37.640 |
| Minimum distance | 2.144 km |
| Height difference | 2.141 km |
| Relative speed | 9.400 km/s |
| Angle between velocity vectors | 78° |
| Geographic position | 69.5°S, 22.3°E |
| Height | 802 km |
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