| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 30022 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 May 29 05:07 | 2023 May 28 22:29 |
| Time of closest approach (UTC) | 2023 Mar 30 09:05:12.981 |
| Minimum distance | 5.352 km |
| Height difference | 3.821 km |
| Relative speed | 14.702 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 34.6°S, 104.6°E |
| Height | 777 km |
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