| Primary satellite | Secondary satellite |
| Name | Cosmos 1091 Rocket | Meteor 2-18 Rocket |
| Spacetrack catalog number | 11321 | 19852 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 10:22 | 2024 Dec 23 06:51 |
| Time of closest approach (UTC) | 2024 Dec 24 07:30:24.364 |
| Minimum distance | 1.308 km |
| Height difference | -0.935 km |
| Relative speed | 13.093 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 74.1°N, 84.9°E |
| Height | 974 km |
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