LHS 475 is a red dwarf star located 40.7 light-years (12.5 parsecs) away from the Solar System in the constellation of Octans.

[6][7] The exoplanet LHS 475 b was initially found in transit data from TESS, and its confirmation using the NIRSpec instrument of the James Webb Space Telescope, which also observed its transmission spectrum, was published in January 2023.

[7] Another independent confirmation of the planet was published on arXiv in April 2023, and a year later accepted to the Astronomical Journal.

[6] LHS 475 b is close in size to Earth, at 99% its diameter, but is much hotter, with an equilibrium temperature of 586 K (313 °C; 595 °F).

The planet completes an orbit around its star in just two days and is likely tidally locked.