HD 111998 b
Orbiting HD 111998
HD 111998 b is an exoplanet orbiting the star HD 111998, discovered in 2016 using the Radial Velocity method.
Mass
1525.58
Earth masses
Orbital Period
810.0
days
Distance
33.2
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
1525.58
Measured
Equilibrium Temperature
Unknown
Parameter source: Philipot et al. 2023
Orbital Period
810.000+6.000−5.000days
Semi-Major Axis
1.9100+0.0200−0.0300au
Planet Mass (Earth masses)
1525.58+63.57−63.57
Planet Mass (Jupiter masses)
4.8000+0.2000−0.2000
Eccentricity
0.1300+0.0500−0.0400
Epoch of Periastron
2454521.00+45.00−36.00days(BJD)
Argument of Periastron
190.0+22.0−17.0deg
Distance from Earth
33.2 pc (~108 ly)
Spectral Type
F6 V
Temperature
Unknown
Mass (Solar)
1.40 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
193.2954°, -3.5531°
Discovery Method
Radial Velocity
Discovery Year
2016
Source ID: HD 111998 b
HD 111998 b orbits HD 111998 and was reported in 2016 and was detected with the Radial Velocity method.
Published measurements list a mass of 1,525.58 Earth masses and an orbital period of 810 days.
Catalog data places the system at about 33.2 parsecs from Earth, a host star classified as F6 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 111998