| Primary satellite | Secondary satellite |
| Name | STRAND 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 39090 | 31317 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 01 09:54 | 2021 Feb 28 23:32 |
| Time of closest approach (UTC) | 2021 Jan 22 02:37:37.555 |
| Minimum distance | 8.080 km |
| Height difference | 3.642 km |
| Relative speed | 14.624 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 34.1°S, 119.1°W |
| Height | 792 km |
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