| Primary satellite | Secondary satellite |
| Name | Cosmos 2150 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 21419 | 32186 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 20:12 | 2021 Jan 19 18:38 |
| Time of closest approach (UTC) | 2020 Dec 07 16:59:29.198 |
| Minimum distance | 7.191 km |
| Height difference | -0.654 km |
| Relative speed | 14.662 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 69.5°S, 35.2°E |
| Height | 828 km |
|