| Primary satellite | Secondary satellite |
| Name | Meteor 2-17 Rocket | Cosmos 1891 Rocket |
| Spacetrack catalog number | 18821 | 18403 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:20 | 2024 Dec 22 16:30 |
| Time of closest approach (UTC) | 2024 Dec 24 03:33:51.270 |
| Minimum distance | 1.564 km |
| Height difference | 1.255 km |
| Relative speed | 14.614 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 35.7°N, 63.5°E |
| Height | 940 km |
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