| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Transtage 4 |
| Spacetrack catalog number | 31420 | 1859 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2023 Jan 27 12:38 | 2023 Jan 29 20:45 |
| Time of closest approach (UTC) | 2022 Nov 29 01:21:44.097 |
| Minimum distance | 140.492 km |
| Height difference | -0.017 km |
| Relative speed | 11.964 km/s |
| Angle between velocity vectors | 105° |
| Geographic position | 30.9°N, 88.4°E |
| Height | 688 km |
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