| Primary satellite | Secondary satellite |
| Name | SL-8 DEB | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 38665 | 39640 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 16 10:14 | 2024 Dec 22 20:51 |
| Time of closest approach (UTC) | 2024 Dec 26 20:04:29.863 |
| Minimum distance | 2.433 km |
| Height difference | -0.505 km |
| Relative speed | 13.274 km/s |
| Angle between velocity vectors | 126° |
| Geographic position | 40.0°S, 14.9°E |
| Height | 788 km |
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