| Primary satellite | Secondary satellite |
| Name | Cosmos 1048 | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 11111 | 39673 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:57 | 2024 Dec 22 21:20 |
| Time of closest approach (UTC) | 2024 Dec 25 01:06:36.344 |
| Minimum distance | 3.481 km |
| Height difference | 1.952 km |
| Relative speed | 13.671 km/s |
| Angle between velocity vectors | 133° |
| Geographic position | 29.4°S, 37.5°W |
| Height | 784 km |
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