| Primary satellite | Secondary satellite |
| Name | Cosmos 1745 Rocket | Meteor 2-11 |
| Spacetrack catalog number | 16728 | 15099 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Mar 07 19:36 | 2021 Mar 07 11:31 |
| Time of closest approach (UTC) | 2021 Jan 23 21:01:08.020 |
| Minimum distance | 33.617 km |
| Height difference | -0.348 km |
| Relative speed | 10.270 km/s |
| Angle between velocity vectors | 88° |
| Geographic position | 80.0°N, 138.0°E |
| Height | 968 km |
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