description GJ 357 b Overview
GJ 357 b is a transiting exoplanet with a radius about 1.2 times Earth's, discovered through NASA's TESS observations of the nearby M dwarf GJ 357. It is the innermost of three known planets in the system and completes an orbit in about 3.9 days. Its estimated equilibrium temperature is roughly 525 K, or about 250 degrees Celsius, so it receives too much irradiation to be considered a temperate or habitable-zone planet.
help GJ 357 b FAQ
How good is GJ 357 b?
GJ 357 b scores 6.26/10 (Fair) on Lunoo, making it rated in the Exoplanet category.
What are the best alternatives to GJ 357 b?
See our alternatives page for GJ 357 b for a ranked list with scores. Top alternatives include: L 98-59 b, TOI-715 b, L 98-59 d.
How does GJ 357 b compare to L 98-59 b?
See our detailed comparison of GJ 357 b vs L 98-59 b with scores, features, and an AI-powered verdict.
Is GJ 357 b worth it in 2026?
With a score of 6.26/10, GJ 357 b is a solid option in Exoplanet. See all Exoplanet ranked.
explore Explore More
Similar to GJ 357 b
ui.x_see_all arrow_forward
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
