| Primary satellite | Secondary satellite |
| Name | SR | COSMOS 2537 |
| Spacetrack catalog number | 46 | 44423 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2021 Mar 08 09:59 | 2021 Mar 08 17:37 |
| Time of closest approach (UTC) | 2021 Jan 27 05:46:28.376 |
| Minimum distance | 214.646 km |
| Height difference | -7.385 km |
| Relative speed | 10.107 km/s |
| Angle between velocity vectors | 84° |
| Geographic position | 64.8°S, 117.2°W |
| Height | 638 km |
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