| Primary satellite | Secondary satellite |
| Name | COSMOS 1867 COOLANT | COSMOS 2251 DEB |
| Spacetrack catalog number | 39669 | 36459 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 21:01 | 2024 Dec 22 11:08 |
| Time of closest approach (UTC) | 2024 Dec 23 16:36:44.549 |
| Minimum distance | 1.132 km |
| Height difference | -1.126 km |
| Relative speed | 13.962 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 10.5°N, 112.5°E |
| Height | 787 km |
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