| Primary satellite | Secondary satellite |
| Name | NOSS 8 (H) | Kosmos-2066 |
| Spacetrack catalog number | 18025 | 20551 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Jan 22 10:01 | 2021 Jan 22 13:35 |
| Time of closest approach (UTC) | 2020 Dec 05 18:54:58.978 |
| Minimum distance | 103.794 km |
| Height difference | 7.901 km |
| Relative speed | 11.705 km/s |
| Angle between velocity vectors | 111° |
| Geographic position | 48.9°S, 13.3°E |
| Height | 1412 km |
|