| Primary satellite | Secondary satellite |
| Name | Cosmos 1331 Rocket | deb Kosmos-2237 |
| Spacetrack catalog number | 13028 | 22612 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 04 10:09 | 2021 Mar 04 13:35 |
| Time of closest approach (UTC) | 2021 Jan 24 05:13:04.295 |
| Minimum distance | 22.553 km |
| Height difference | -1.225 km |
| Relative speed | 7.802 km/s |
| Angle between velocity vectors | 63° |
| Geographic position | 69.2°N, 51.7°E |
| Height | 786 km |
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