| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 30744 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 28 12:40 | 2023 Mar 28 05:03 |
| Time of closest approach (UTC) | 2023 Feb 03 18:09:43.148 |
| Minimum distance | 1973.996 km |
| Height difference | -6.136 km |
| Relative speed | 12.496 km/s |
| Angle between velocity vectors | 114° |
| Geographic position | 81.7°S, 44.6°E |
| Height | 792 km |
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