Kepler-42 b
Orbiting Kepler-42
Kepler-42 b is an exoplanet orbiting the star Kepler-42, discovered in 2011 using the Transit method. It is a Earth-sized world.
Radius
0.78
Earth radii
Mass (est.)
0.40
Earth masses
Orbital Period
1.2
days
Distance
40.1
parsecs
Equilibrium Temp
519
K
Radius (Earth radii)
0.78
Mass (Earth masses)
0.40
Estimated
Equilibrium Temperature
519 K
Orbital Period
1.21 days
Distance from Earth
40.1 pc (~131 ly)
Spectral Type
M
Temperature
3068 K
Mass (Solar)
0.13 M☉
Radius (Solar)
0.17 R☉
Luminosity
-2.62 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
292.2196°, 44.6174°
Discovery Method
Transit
Discovery Year
2011
Source ID: Kepler-42 b
Kepler-42 b orbits Kepler-42 and was reported in 2011 and was detected with the Transit method.
Published measurements list a radius of 0.78 Earth radii, a mass of 0.4 Earth masses (estimated), an orbital period of 1.21 days, and an equilibrium temperature near 519 K.
Catalog data places the system at about 40.1 parsecs from Earth, a host star classified as M, and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open Kepler-42More planets in this system