| Primary satellite | Secondary satellite |
| Name | Cosmos 2298 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23432 | 31179 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 16 04:04 | 2021 Jan 15 19:54 |
| Time of closest approach (UTC) | 2020 Dec 06 07:37:45.001 |
| Minimum distance | 20.372 km |
| Height difference | -5.059 km |
| Relative speed | 13.181 km/s |
| Angle between velocity vectors | 123° |
| Geographic position | 74.1°S, 138.2°W |
| Height | 809 km |
|