| 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 04 09:56 | 2021 Mar 05 02:20 |
| Time of closest approach (UTC) | 2021 Jan 27 05:46:40.298 |
| Minimum distance | 61.475 km |
| Height difference | -5.611 km |
| Relative speed | 10.108 km/s |
| Angle between velocity vectors | 84° |
| Geographic position | 64.5°S, 115.4°W |
| Height | 636 km |
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