| Primary satellite | Secondary satellite |
| Name | AO-91 | FENGYUN 1C DEB |
| Spacetrack catalog number | 43017 | 31188 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 06 11:05 | 2021 Mar 06 09:56 |
| Time of closest approach (UTC) | 2021 Jan 17 18:04:15.444 |
| Minimum distance | 54.371 km |
| Height difference | 0.382 km |
| Relative speed | 14.330 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 54.7°S, 68.3°E |
| Height | 823 km |
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