HD 285968 b
Orbiting HD 285968
HD 285968 b is an exoplanet orbiting the star HD 285968, discovered in 2008 using the Radial Velocity method.
Minimum Mass (M sin i)
8.40
Earth masses
Orbital Period
8.8
days
Distance
9.5
parsecs
Equilibrium Temp
450
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
8.40
Radial-velocity minimum
Equilibrium Temperature
450 K
Parameter source: Forveille et al. 2009
Orbital Period
8.784+0.005−0.005days
Semi-Major Axis
0.0660au
M sin(i) (Earth masses)
8.40
M sin(i) (Jupiter masses)
0.0260
Eccentricity
0.0000
Epoch of Periastron
2454399.79+0.33−0.33days
Argument of Periastron
0.0deg
Radial Velocity Semi-Amplitude
4.12+0.52−0.52m/s
Distance from Earth
9.5 pc (~31 ly)
Spectral Type
M2 V
Temperature
Unknown
Mass (Solar)
0.50 M☉
Radius (Solar)
Unknown
Luminosity
-1.66 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
70.7354°, 18.9534°
Discovery Method
Radial Velocity
Discovery Year
2008
Source ID: HD 285968 b
HD 285968 b orbits HD 285968 and was reported in 2008 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 8.4 Earth masses (M sin i), an orbital period of 8.78 days, and an equilibrium temperature near 450 K.
Catalog data places the system at about 9.5 parsecs from Earth, a host star classified as M2 V, 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 285968