| Primary satellite | Secondary satellite |
| Name | SJ-11-01 | Cosmos 371 Rocket |
| Spacetrack catalog number | 36088 | 4579 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 25 18:44 | 2021 Jan 25 21:16 |
| Time of closest approach (UTC) | 2020 Nov 28 14:46:53.153 |
| Minimum distance | 12.047 km |
| Height difference | -2.616 km |
| Relative speed | 14.762 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 64.1°N, 54.3°E |
| Height | 711 km |
|