| 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 17 20:48 | 2024 Sep 18 11:09 |
| Time of closest approach (UTC) | 2024 Aug 09 03:15:49.794 |
| Minimum distance | 127.835 km |
| Height difference | -4.059 km |
| Relative speed | 13.541 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 70.9°S, 160.9°W |
| Height | 789 km |
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