User:Kepler-1229b/KELT-21b

KELT-21b is an extrasolar planet discovered in 2018. It is a hot Jupiter with radius of about.

KELT-21b orbits KELT-21 A (HD 332124). It is likely the primary star in a triple star system, with the two stars located 1.2 arcseconds away. These two stars, designated KELT-21 B and C, have masses of and, respectively.