| Primary satellite | Secondary satellite |
| Name | NOSS 2-2 (D) | Cosmos 574 Rocket |
| Spacetrack catalog number | 21808 | 6708 |
| Radar cross section | | large |
| Epoch of two-line elements (UTC) | 2021 Jan 08 18:30 | 2021 Jan 15 04:54 |
| Time of closest approach (UTC) | 2020 Dec 04 11:01:03.250 |
| Minimum distance | 17.976 km |
| Height difference | 0.594 km |
| Relative speed | 13.303 km/s |
| Angle between velocity vectors | 128° |
| Geographic position | 47.1°N, 29.1°W |
| Height | 995 km |
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