| Primary satellite | Secondary satellite |
| Name | COSMO-SKYMED 1 | YAOGAN 3 |
| Spacetrack catalog number | 31598 | 32289 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 11 09:38 | 2021 Apr 11 09:08 |
| Time of closest approach (UTC) | 2021 Mar 02 07:50:10.648 |
| Minimum distance | 67.662 km |
| Height difference | 4.970 km |
| Relative speed | 14.831 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 43.7°N, 156.4°E |
| Height | 629 km |
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