| Primary satellite | Secondary satellite |
| Name | Cosmos 2026 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 20046 | 30172 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 19:59 | 2021 Jan 18 03:14 |
| Time of closest approach (UTC) | 2020 Nov 28 09:41:09.173 |
| Minimum distance | 4.504 km |
| Height difference | 4.484 km |
| Relative speed | 14.747 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 46.9°N, 43.3°E |
| Height | 947 km |
|