| Primary satellite | Secondary satellite |
| Name | Cosmos 1300 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 12786 | 30613 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 16:15 | 2021 Jan 19 11:40 |
| Time of closest approach (UTC) | 2020 Dec 04 16:01:04.723 |
| Minimum distance | 22.279 km |
| Height difference | -4.227 km |
| Relative speed | 15.012 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 81.1°N, 22.6°E |
| Height | 623 km |
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