| Primary satellite | Secondary satellite |
| Name | COSMOS 1867 COOLANT | FENGYUN 1C DEB |
| Spacetrack catalog number | 39664 | 35116 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 06:38 | 2024 Dec 20 20:20 |
| Time of closest approach (UTC) | 2024 Dec 28 05:20:19.494 |
| Minimum distance | 4.082 km |
| Height difference | 2.681 km |
| Relative speed | 5.613 km/s |
| Angle between velocity vectors | 44° |
| Geographic position | 39.1°S, 122.5°W |
| Height | 787 km |
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