| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 29885 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Jan 28 12:48 | 2023 Jan 28 13:39 |
| Time of closest approach (UTC) | 2022 Dec 07 11:45:54.776 |
| Minimum distance | 39.663 km |
| Height difference | 0.529 km |
| Relative speed | 3.492 km/s |
| Angle between velocity vectors | 27° |
| Geographic position | 81.6°N, 15.3°W |
| Height | 779 km |
|