HD 181342 b
Orbiting HD 181342
HD 181342 b is an exoplanet orbiting the star HD 181342, discovered in 2009 using the Radial Velocity method.
Minimum Mass (M sin i)
807.29
Earth masses
Orbital Period
564.1
days
Distance
120.4
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
807.29
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Luhn et al. 2019
Orbital Period
564.100+4.100−4.100days
Semi-Major Axis
1.5920+0.0910−0.0910au
M sin(i) (Earth masses)
807.29+60.39−60.39
M sin(i) (Jupiter masses)
2.5400+0.1900−0.1900
Eccentricity
0.0220+0.0510−0.0510
Epoch of Periastron
2461090.00+220.00−220.00days(JD)
Argument of Periastron
290.0+110.0−110.0deg
Radial Velocity Semi-Amplitude
44.10+3.30−3.30m/s
Distance from Earth
120.4 pc (~393 ly)
Spectral Type
Unknown
Temperature
4945 K
Mass (Solar)
1.69 M☉
Radius (Solar)
4.71 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
290.2674°, -23.6197°
Discovery Method
Radial Velocity
Discovery Year
2009
Source ID: HD 181342 b
HD 181342 b orbits HD 181342 and was reported in 2009 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 807.29 Earth masses (M sin i) and an orbital period of 564.1 days.
Catalog data places the system at about 120.4 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 181342