NEW WORLDS ATLAS
HAT-P-21 b
HAT-P-21 b is a gas giant exoplanet that orbits a G-type star. Its mass is 4.87 Jupiters and it takes 4.1 days to complete one orbit of its star. Its discovery was announced in 2010.
|
PLANET TYPE
Gas Giant
|
DISCOVERY DATE
2010
|
|
MASS
4.87 Jupiters
|
PLANET RADIUS
1.11 x Jupiter
|
|
ORBITAL RADIUS
Unknown
|
ORBITAL PERIOD
4.1 days
|
|
ECCENTRICITY
0.23
|
DETECTION METHOD
Transit
|
