K2-31 b
Orbiting K2-31
K2-31 b is an exoplanet orbiting the star K2-31, discovered in 2016 using the Transit method. It is a Jupiter-sized world.
Radius
11.88
Earth radii
Mass
563.83
Earth masses
Orbital Period
1.3
days
Distance
110.5
parsecs
Radius (Earth radii)
11.88
Mass (Earth masses)
563.83
Measured
Equilibrium Temperature
Unknown
Parameter source: Grziwa et al. 2016
Orbital Period
1.258+0.000−0.000days
Semi-Major Axis
0.0220+0.0018−0.0018au
Planet Mass (Earth masses)
563.83+25.11−25.11
Planet Mass (Jupiter masses)
1.7740+0.0790−0.0790
Eccentricity
0.0000
Radial Velocity Semi-Amplitude
350.90+1.00−1.00m/s
Distance from Earth
110.5 pc (~360 ly)
Spectral Type
G7 V
Temperature
5280 K
Mass (Solar)
0.91 M☉
Radius (Solar)
0.78 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
245.4406°, -23.5483°
Discovery Method
Transit
Discovery Year
2016
Source ID: K2-31 b
K2-31 b orbits K2-31 and was reported in 2016 and was detected with the Transit method.
Published measurements list a radius of 11.88 Earth radii, a mass of 563.83 Earth masses, and an orbital period of 1.26 days.
Catalog data places the system at about 110.5 parsecs from Earth, a host star classified as G7 V, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open K2-31