HD 42012 b
Orbiting HD 42012
HD 42012 b is an exoplanet orbiting the star HD 42012, discovered in 2017 using the Radial Velocity method.
Minimum Mass (M sin i)
508.53
Earth masses
Orbital Period
857.5
days
Distance
36.8
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
508.53
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Rey et al. 2017
Orbital Period
857.500+6.200−6.300days
Semi-Major Axis
1.6700+0.0500−0.0600au
M sin(i) (Earth masses)
508.53+31.78−31.78
M sin(i) (Jupiter masses)
1.6000+0.1000−0.1000
Eccentricity
<0.2
Epoch of Periastron
2455386.20+10.00−10.00days(JD)
Radial Velocity Semi-Amplitude
39.00+0.90−0.90m/s
Distance from Earth
36.8 pc (~120 ly)
Spectral Type
K0
Temperature
5405 K
Mass (Solar)
0.83 M☉
Radius (Solar)
0.82 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
92.4855°, 34.1342°
Discovery Method
Radial Velocity
Discovery Year
2017
Source ID: HD 42012 b
HD 42012 b orbits HD 42012 and was reported in 2017 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 508.53 Earth masses (M sin i) and an orbital period of 857.5 days.
Catalog data places the system at about 36.8 parsecs from Earth, a host star classified as K0, 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 42012