| Primary satellite | Secondary satellite |
| Name | SL-8 DEB | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 38665 | 39661 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 16 10:14 | 2024 Dec 20 13:33 |
| Time of closest approach (UTC) | 2024 Dec 28 02:08:13.731 |
| Minimum distance | 2.478 km |
| Height difference | -2.343 km |
| Relative speed | 13.212 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 41.1°S, 79.0°W |
| Height | 789 km |
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