HD 158996 b
Orbiting HD 158996
HD 158996 b is an exoplanet orbiting the star HD 158996, discovered in 2018 using the Radial Velocity method.
Minimum Mass (M sin i)
4449.62
Earth masses
Orbital Period
820.2
days
Distance
283.7
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
4449.62
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Bang et al. 2018
Orbital Period
820.200+14.000−14.000days
Semi-Major Axis
2.1000+0.2000−0.2000au
M sin(i) (Earth masses)
4449.62+731.01−731.01
M sin(i) (Jupiter masses)
14.0000+2.3000−2.3000
Eccentricity
0.1300+0.0500−0.0500
Epoch of Periastron
2454993.00+128.00−128.00days(JD)
Argument of Periastron
168.0+12.0−12.0deg
Radial Velocity Semi-Amplitude
207.00+14.00−14.00m/s
Distance from Earth
283.7 pc (~925 ly)
Spectral Type
K5 III
Temperature
4069 K
Mass (Solar)
1.80 M☉
Radius (Solar)
50.30 R☉
Luminosity
3.01 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
259.9051°, 80.1364°
Discovery Method
Radial Velocity
Discovery Year
2018
Source ID: HD 158996 b
HD 158996 b orbits HD 158996 and was reported in 2018 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 4,449.62 Earth masses (M sin i) and an orbital period of 820.2 days.
Catalog data places the system at about 283.7 parsecs from Earth, a host star classified as K5 III, 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 158996