K2-9 b
Orbiting K2-9
K2-9 b is an exoplanet orbiting the star K2-9, discovered in 2015 using the Transit method. It is a Super-Earth world.
Radius
2.25
Earth radii
Mass (est.)
6.05
Earth masses
Orbital Period
18.4
days
Distance
83.0
parsecs
Equilibrium Temp
314
K
Radius (Earth radii)
2.25
Mass (Earth masses)
6.05
Estimated
Equilibrium Temperature
314 K
Orbital Period
18.45 days
Distance from Earth
83.0 pc (~271 ly)
Spectral Type
M2.5 V
Temperature
3390 K
Mass (Solar)
0.30 M☉
Radius (Solar)
0.31 R☉
Luminosity
-1.92 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
176.2637°, 0.0054°
Discovery Method
Transit
Discovery Year
2015
Source ID: K2-9 b
K2-9 b orbits K2-9 and was reported in 2015 and was detected with the Transit method.
Published measurements list a radius of 2.25 Earth radii, a mass of 6.05 Earth masses (estimated), an orbital period of 18.45 days, and an equilibrium temperature near 314 K.
Catalog data places the system at about 83 parsecs from Earth, a host star classified as M2.5 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 K2-9