HD 28678 b
Orbiting HD 28678
HD 28678 b is an exoplanet orbiting the star HD 28678, discovered in 2011 using the Radial Velocity method.
Minimum Mass (M sin i)
490.09
Earth masses
Orbital Period
380.2
days
Distance
189.9
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
490.09
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Luhn et al. 2019
Orbital Period
380.200+1.600−1.600days
Semi-Major Axis
1.1800+0.2000−0.2000au
M sin(i) (Earth masses)
490.09+23.20−23.20
M sin(i) (Jupiter masses)
1.5420+0.0730−0.0730
Eccentricity
0.1490+0.0470−0.0470
Epoch of Periastron
2455513.00+18.00−18.00days(JD)
Argument of Periastron
128.0+19.0−19.0deg
Radial Velocity Semi-Amplitude
32.90+1.40−1.40m/s
Distance from Earth
189.9 pc (~619 ly)
Spectral Type
Unknown
Temperature
4972 K
Mass (Solar)
1.53 M☉
Radius (Solar)
6.48 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
67.8561°, 4.5752°
Discovery Method
Radial Velocity
Discovery Year
2011
Source ID: HD 28678 b
HD 28678 b orbits HD 28678 and was reported in 2011 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 490.09 Earth masses (M sin i) and an orbital period of 380.2 days.
Catalog data places the system at about 189.9 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 28678