| Primary satellite | Secondary satellite |
| Name | Cosmos 405 Rocket | SPACEBEENZ-2 |
| Spacetrack catalog number | 5118 | 46957 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 15 21:15 | 2021 Apr 15 20:22 |
| Time of closest approach (UTC) | 2021 Mar 09 04:33:03.161 |
| Minimum distance | 15.723 km |
| Height difference | 2.941 km |
| Relative speed | 15.198 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 73.1°N, 53.4°W |
| Height | 522 km |
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