| Primary satellite | Secondary satellite |
| Name | STARS | FENGYUN 1C DEB |
| Spacetrack catalog number | 33498 | 30951 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 03 09:46 | 2021 Mar 02 17:59 |
| Time of closest approach (UTC) | 2021 Jan 19 23:31:27.343 |
| Minimum distance | 39.350 km |
| Height difference | -1.670 km |
| Relative speed | 7.234 km/s |
| Angle between velocity vectors | 57° |
| Geographic position | 79.5°S, 165.1°W |
| Height | 667 km |
|