HD 87646 b
Orbiting HD 87646
HD 87646 b is an exoplanet orbiting the star HD 87646, discovered in 2016 using the Radial Velocity method.
Minimum Mass (M sin i)
3941.09
Earth masses
Orbital Period
13.5
days
Distance
73.6
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
3941.09
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Ma et al. 2016
Orbital Period
13.481+0.001−0.001days
Semi-Major Axis
0.1170+0.0030−0.0030au
M sin(i) (Earth masses)
3941.09+222.48−222.48
M sin(i) (Jupiter masses)
12.4000+0.7000−0.7000
Eccentricity
0.0500+0.0200−0.0200
Epoch of Periastron
2454088.30+1.10−1.10days(JD-UTC)
Argument of Periastron
298.0+30.0−30.0deg
Radial Velocity Semi-Amplitude
956.00+25.00−25.00m/s
Distance from Earth
73.6 pc (~240 ly)
Spectral Type
G
Temperature
5770 K
Mass (Solar)
1.12 M☉
Radius (Solar)
1.55 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
3
Coordinates (RA, Dec)
151.6695°, 17.8950°
Discovery Method
Radial Velocity
Discovery Year
2016
Source ID: HD 87646 b
HD 87646 b orbits HD 87646 and was reported in 2016 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 3,941.09 Earth masses (M sin i) and an orbital period of 13.48 days.
Catalog data places the system at about 73.6 parsecs from Earth, a host star classified as G, 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 87646