Kepler-20 d
Orbiting Kepler-20
Kepler-20 d is an exoplanet orbiting the star Kepler-20, discovered in 2011 using the Transit method. It is a Mini-Neptune world.
Radius
2.61
Earth radii
Mass
13.40
Earth masses
Orbital Period
77.6
days
Distance
282.6
parsecs
Equilibrium Temp
430
K
Radius (Earth radii)
2.61
Mass (Earth masses)
13.40
Measured
Equilibrium Temperature
430 K
Parameter source: Bonomo et al. 2023
Orbital Period
77.611+0.000−0.000days
Semi-Major Axis
0.3474+0.0067−0.0067au
Planet Mass (Earth masses)
13.40+3.70−3.60
Planet Mass (Jupiter masses)
0.0422+0.0116−0.0113
Eccentricity
<0.082
Radial Velocity Semi-Amplitude
2.12+0.57−0.57m/s
Distance from Earth
282.6 pc (~922 ly)
Spectral Type
Unknown
Temperature
5495 K
Mass (Solar)
0.93 M☉
Radius (Solar)
0.92 R☉
Luminosity
Unknown
Planets in System
6
Stars in System
2
Coordinates (RA, Dec)
287.6980°, 42.3386°
Discovery Method
Transit
Discovery Year
2011
Source ID: Kepler-20 d
Kepler-20 d orbits Kepler-20 and was reported in 2011 and was detected with the Transit method.
Published measurements list a radius of 2.61 Earth radii, a mass of 13.4 Earth masses, an orbital period of 77.61 days, and an equilibrium temperature near 430 K.
Catalog data places the system at about 282.6 parsecs from Earth and 6 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open Kepler-20More planets in this system