| Primary satellite | Secondary satellite |
| Name | OPAL | Cosmos 2150 |
| Spacetrack catalog number | 26063 | 21418 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2021 Mar 05 17:26 | 2021 Mar 05 20:51 |
| Time of closest approach (UTC) | 2021 Jan 19 13:00:33.296 |
| Minimum distance | 4.483 km |
| Height difference | -4.356 km |
| Relative speed | 14.845 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 53.6°N, 42.6°W |
| Height | 802 km |
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