| Primary satellite | Secondary satellite |
| Name | Cosmos 841 Rocket | deb Kosmos-2227 |
| Spacetrack catalog number | 9023 | 22433 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 22 20:38 | 2021 Jan 22 20:53 |
| Time of closest approach (UTC) | 2020 Dec 01 02:50:15.085 |
| Minimum distance | 11.512 km |
| Height difference | 1.257 km |
| Relative speed | 14.241 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 0.7°S, 172.5°E |
| Height | 771 km |
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