HD 221416 b
Orbiting HD 221416
HD 221416 b is an exoplanet orbiting the star HD 221416, discovered in 2019 using the Transit method. It is a Neptune-sized world.
Radius
9.17
Earth radii
Mass
60.50
Earth masses
Orbital Period
14.3
days
Distance
95.5
parsecs
Radius (Earth radii)
9.17
Mass (Earth masses)
60.50
Measured
Equilibrium Temperature
Unknown
Parameter source: Huber et al. 2019
Orbital Period
14.277+0.004−0.004days
Semi-Major Axis
0.1228+0.0025−0.0026au
Planet Mass (Earth masses)
60.50+5.70−5.70
Planet Mass (Jupiter masses)
0.1900+0.0180−0.0180
Eccentricity
0.1150+0.0340−0.0300
Argument of Periastron
-106.0+34.7−31.1deg
Radial Velocity Semi-Amplitude
14.10+1.20−1.20m/s
Distance from Earth
95.5 pc (~312 ly)
Spectral Type
Unknown
Temperature
5080 K
Mass (Solar)
1.21 M☉
Radius (Solar)
2.94 R☉
Luminosity
0.71 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
353.0332°, -21.8012°
Discovery Method
Transit
Discovery Year
2019
Source ID: HD 221416 b
HD 221416 b orbits HD 221416 and was reported in 2019 and was detected with the Transit method.
Published measurements list a radius of 9.17 Earth radii, a mass of 60.5 Earth masses, and an orbital period of 14.28 days.
Catalog data places the system at about 95.5 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 221416