| Primary satellite | Secondary satellite |
| Name | COSMOS 1867 COOLANT | Cosmos 494 |
| Spacetrack catalog number | 39664 | 6059 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 06:38 | 2024 Dec 23 04:50 |
| Time of closest approach (UTC) | 2024 Dec 24 17:18:41.430 |
| Minimum distance | 3.157 km |
| Height difference | -2.728 km |
| Relative speed | 10.351 km/s |
| Angle between velocity vectors | 88° |
| Geographic position | 60.4°S, 31.7°W |
| Height | 789 km |
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