| Primary satellite | Secondary satellite |
| Name | Envisat | SMOS |
| Spacetrack catalog number | 27386 | 36036 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Sep 09 11:15 | 2024 Sep 08 22:39 |
| Time of closest approach (UTC) | 2024 Aug 09 03:15:32.159 |
| Minimum distance | 245.025 km |
| Height difference | -3.934 km |
| Relative speed | 13.542 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 71.9°S, 159.3°W |
| Height | 790 km |
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