| Primary satellite | Secondary satellite |
| Name | Meteor 2-6 Rocket | QQW 2 Canister |
| Spacetrack catalog number | 11963 | 20793 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 14 08:50 | 2021 Apr 15 06:10 |
| Time of closest approach (UTC) | 2021 Mar 06 02:27:34.593 |
| Minimum distance | 4.504 km |
| Height difference | -2.432 km |
| Relative speed | 14.820 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 79.0°S, 4.3°W |
| Height | 881 km |
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