| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 31099 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Jun 02 13:06 | 2023 Jun 01 02:26 |
| Time of closest approach (UTC) | 2023 Apr 05 18:30:09.253 |
| Minimum distance | 75.826 km |
| Height difference | -2.772 km |
| Relative speed | 12.728 km/s |
| Angle between velocity vectors | 117° |
| Geographic position | 72.9°S, 14.7°W |
| Height | 790 km |
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