| 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 16:25:32.906 |
| Minimum distance | 6.119 km |
| Height difference | -2.639 km |
| Relative speed | 14.767 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 64.0°N, 29.6°E |
| Height | 711 km |
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