Gliese 357 d is an exoplanet, considered to be a "Super-Earth" within the circumstellar habitable zone of its parent star.

[3][4][5][6] The planet orbits Gliese 357, 31 light-years from the Solar System,[4] The system is part of the Hydra constellation.

[4] The planet was discovered by the TESS team and announced in July 2019.

The data confirming the presence of the planet was uncovered in ground-based observation dating back to 1998 while confirming the TESS detection of Gliese 357 b, a “hot earth” that orbits much closer to the parent star.

If humans traveled there using modern spacecraft, it would take them about 660,000 years to get there.