| Primary satellite | Secondary satellite |
| Name | Cosmos 1867 | FENGYUN 1C DEB |
| Spacetrack catalog number | 18187 | 30465 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Dec 13 07:14 | 2025 Dec 13 05:24 |
| Time of closest approach (UTC) | 2024 Nov 10 10:48:28.708 |
| Minimum distance | 451.724 km |
| Height difference | 4.220 km |
| Relative speed | 14.733 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 39.7°N, 167.5°E |
| Height | 790 km |
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