K2-81 b
Orbiting K2-81
K2-81 b is an exoplanet orbiting the star K2-81, discovered in 2016 using the Transit method. It is a Super-Earth world.
Radius
1.97
Earth radii
Mass (est.)
4.83
Earth masses
Orbital Period
6.1
days
Distance
252.3
parsecs
Radius (Earth radii)
1.97
Mass (Earth masses)
4.83
Estimated
Equilibrium Temperature
Unknown
Parameter source: Dressing et al. 2017
Orbital Period
6.102+0.000−0.000days
Semi-Major Axis
0.0590+0.0020−0.0020au
Eccentricity
0.0600+0.1444−0.0519
Argument of Periastron
-27.9+133.8−112.6deg
Distance from Earth
252.3 pc (~823 ly)
Spectral Type
Unknown
Temperature
4674 K
Mass (Solar)
0.75 M☉
Radius (Solar)
0.63 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
57.4855°, 14.5021°
Discovery Method
Transit
Discovery Year
2016
Source ID: K2-81 b
K2-81 b orbits K2-81 and was reported in 2016 and was detected with the Transit method.
Published measurements list a radius of 1.97 Earth radii, a mass of 4.83 Earth masses (estimated), and an orbital period of 6.1 days.
Catalog data places the system at about 252.3 parsecs from Earth 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 K2-81