| Primary satellite | Secondary satellite |
| Name | Terra | FENGYUN 1C DEB |
| Spacetrack catalog number | 25994 | 32190 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 12:28 | 2020 Dec 24 01:06 |
| Time of closest approach (UTC) | 2020 Dec 06 22:20:45.724 |
| Minimum distance | 10.224 km |
| Height difference | 5.618 km |
| Relative speed | 14.309 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 59.9°S, 16.7°E |
| Height | 725 km |
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