K2-18b

K2-18b is a super-Earth in its host star's habitable zone, discovered by K2 in 2015. The star, K2-18 is a red dwarf. The planet is classified as a hycean planet, i.e., a planet covered with water and an atmosphere with substantial hydrogen. While these suggest the potential for habitability, actual habitability remains under debate. Characteristics:

• Leo - constellation.
• 11h30m14.51774s - right ascension.
• +07deg35m18.2553s - declination.
• Host star: K2-18 (EPIC 201912552).
• Discovery: by the transit method in 2015.
• 124 ly - distance.
• 32.9 days - orbital period.
• 0.159 AU - orbital radius (semi-major axis).
• 0.09 - eccentricity.
• 2.6 - radius(Earth).
• 8.6 - mass(Earth).
• 265 K - calculated temperature.