| Primary satellite | Secondary satellite |
| Name | Cosmos 2074 Rocket | Kosmos-574 |
| Spacetrack catalog number | 20578 | 6707 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 16 22:34 | 2021 Apr 16 15:37 |
| Time of closest approach (UTC) | 2021 Mar 04 05:17:32.988 |
| Minimum distance | 4.291 km |
| Height difference | -1.965 km |
| Relative speed | 11.414 km/s |
| Angle between velocity vectors | 102° |
| Geographic position | 78.8°S, 153.1°E |
| Height | 1011 km |
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