| Primary satellite | Secondary satellite |
| Name | STRAND 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 39090 | 30082 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 01 09:54 | 2021 Mar 01 11:46 |
| Time of closest approach (UTC) | 2021 Jan 23 10:45:44.156 |
| Minimum distance | 10.113 km |
| Height difference | 1.051 km |
| Relative speed | 13.312 km/s |
| Angle between velocity vectors | 127° |
| Geographic position | 70.2°S, 31.2°W |
| Height | 798 km |
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