| Primary satellite | Secondary satellite |
| Name | Terra | FENGYUN 1C DEB |
| Spacetrack catalog number | 25994 | 30106 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 22 19:06 | 2021 Jan 22 09:27 |
| Time of closest approach (UTC) | 2020 Dec 06 00:45:42.248 |
| Minimum distance | 99.597 km |
| Height difference | -1.034 km |
| Relative speed | 8.209 km/s |
| Angle between velocity vectors | 66° |
| Geographic position | 80.1°S, 91.3°E |
| Height | 730 km |
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