| Primary satellite | Secondary satellite |
| Name | Cosmos 1933 Rocket | SSOT |
| Spacetrack catalog number | 18959 | 38011 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Apr 11 13:39 | 2021 Apr 11 11:23 |
| Time of closest approach (UTC) | 2021 Feb 28 11:02:03.556 |
| Minimum distance | 13.973 km |
| Height difference | 1.841 km |
| Relative speed | 6.700 km/s |
| Angle between velocity vectors | 53° |
| Geographic position | 72.7°S, 32.1°W |
| Height | 647 km |
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