| Primary satellite | Secondary satellite |
| Name | Envisat | FENGYUN 1C DEB |
| Spacetrack catalog number | 27386 | 31046 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Nov 28 20:46 | 2023 Nov 28 03:20 |
| Time of closest approach (UTC) | 2023 Sep 28 04:51:42.369 |
| Minimum distance | 2346.339 km |
| Height difference | -17.060 km |
| Relative speed | 11.664 km/s |
| Angle between velocity vectors | 102° |
| Geographic position | 63.6°S, 39.5°W |
| Height | 787 km |
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