| Primary satellite | Secondary satellite |
| Name | SKYMED 3 | FENGYUN 1C DEB |
| Spacetrack catalog number | 33412 | 29816 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 11 18:08 | 2021 Apr 11 19:58 |
| Time of closest approach (UTC) | 2021 Mar 01 02:04:20.040 |
| Minimum distance | 309.274 km |
| Height difference | -2.044 km |
| Relative speed | 6.766 km/s |
| Angle between velocity vectors | 53° |
| Geographic position | 79.7°S, 104.8°E |
| Height | 650 km |
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