| Primary satellite | Secondary satellite |
| Name | Kosmos-1104 | Cosmos 952 |
| Spacetrack catalog number | 11378 | 10358 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Apr 01 19:47 | 2023 Apr 01 19:54 |
| Time of closest approach (UTC) | 2023 Jan 28 23:24:51.973 |
| Minimum distance | 2.367 km |
| Height difference | 0.691 km |
| Relative speed | 13.894 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 34.4°N, 142.1°E |
| Height | 961 km |
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