| Primary satellite | Secondary satellite |
| Name | ARIANE 5 R/B | SMOS |
| Spacetrack catalog number | 27387 | 36036 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Mar 27 21:53 | 2023 Mar 27 18:49 |
| Time of closest approach (UTC) | 2023 Jan 31 16:27:23.644 |
| Minimum distance | 44.929 km |
| Height difference | 3.745 km |
| Relative speed | 14.171 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 62.8°N, 172.5°W |
| Height | 767 km |
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