| Primary satellite | Secondary satellite |
| Name | STARS | FENGYUN 1C DEB |
| Spacetrack catalog number | 33498 | 30800 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Feb 23 23:11 | 2021 Feb 24 01:03 |
| Time of closest approach (UTC) | 2021 Jan 17 12:55:03.443 |
| Minimum distance | 170.532 km |
| Height difference | -0.350 km |
| Relative speed | 14.298 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 59.7°S, 109.0°E |
| Height | 659 km |
|