TRAPPIST-1h
Astronomical discovery
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TRAPPIST-1h, also designated as 2MASS J23062928-0502285 h, is an exoplanet orbiting around the ultra-cool dwarf star TRAPPIST-1, located 40.7 light-years away from Earth in the constellation Aquarius. Wikipedia
Discovered: February 22, 2017
Orbital period: 19 days
Apparent magnitude (V): 18.8
Orbits: TRAPPIST-1
Radius: 0.755 R🜨