HD 219666 b
Orbiting HD 219666
HD 219666 b is an exoplanet orbiting the star HD 219666, discovered in 2018 using the Transit method. It is a Neptune-sized world.
Radius
4.90
Earth radii
Mass
17.60
Earth masses
Orbital Period
6.0
days
Distance
94.2
parsecs
Equilibrium Temp
1076
K
Radius (Earth radii)
4.90
Mass (Earth masses)
17.60
Measured
Equilibrium Temperature
1076 K
Orbital Period
6.03 days
Distance from Earth
94.2 pc (~307 ly)
Spectral Type
Unknown
Temperature
5540 K
Mass (Solar)
1.02 M☉
Radius (Solar)
1.06 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
349.5593°, -56.9040°
Discovery Method
Transit
Discovery Year
2018
Source ID: HD 219666 b
HD 219666 b orbits HD 219666 and was reported in 2018 and was detected with the Transit method.
Published measurements list a radius of 4.9 Earth radii, a mass of 17.6 Earth masses, an orbital period of 6.03 days, and an equilibrium temperature near 1,076 K.
Catalog data places the system at about 94.2 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 HD 219666