artist rendition
Artist's concept

KELT-21 b is a gas giant exoplanet that orbits an A-type star. Its mass is 3.91 Jupiters, it takes 3.6 days to complete one orbit of its star, and is 0.05224 AU from its star. Its discovery was announced in 2018.

PLANET TYPE
Gas Giant
DISCOVERY DATE
2018
MASS
3.91 Jupiters
PLANET RADIUS
1.586 x Jupiter
ORBITAL RADIUS
0.05224 AU
ORBITAL PERIOD
3.6 days
ECCENTRICITY
0.0
DETECTION METHOD
Transit