Kepler-247 d
Orbiting Kepler-247
Kepler-247 d is an exoplanet orbiting the star Kepler-247, discovered in 2014 using the Transit method. It is a Neptune-sized world.
Radius
4.50
Earth radii
Mass
50.00
Earth masses
Orbital Period
20.5
days
Distance
663.7
parsecs
Radius (Earth radii)
4.50
Mass (Earth masses)
50.00
Measured
Equilibrium Temperature
Unknown
Parameter source: Nesvorný et al. 2014
Orbital Period
20.474+0.004−0.005days
Planet Mass (Earth masses)
50.00+65.00−35.00
Planet Mass (Jupiter masses)
0.1573+0.2045−0.1101
Eccentricity
0.1020+0.0120−0.0110
Distance from Earth
663.7 pc (~2165 ly)
Spectral Type
Unknown
Temperature
5094 K
Mass (Solar)
0.88 M☉
Radius (Solar)
0.79 R☉
Luminosity
Unknown
Planets in System
4
Stars in System
1
Coordinates (RA, Dec)
288.6426°, 43.0394°
Discovery Method
Transit
Discovery Year
2014
Source ID: Kepler-247 d
Kepler-247 d orbits Kepler-247 and was reported in 2014 and was detected with the Transit method.
Published measurements list a radius of 4.5 Earth radii, a mass of 50 Earth masses, and an orbital period of 20.47 days.
Catalog data places the system at about 663.7 parsecs from Earth and 4 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open Kepler-247More planets in this system