HD 4917 b
Orbiting HD 4917
HD 4917 b is an exoplanet orbiting the star HD 4917, discovered in 2018 using the Radial Velocity method.
Minimum Mass (M sin i)
513.30
Earth masses
Orbital Period
400.5
days
Distance
204.3
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
513.30
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Luhn et al. 2019
Orbital Period
400.500+1.700−1.700days
Semi-Major Axis
1.1670+0.0650−0.0650au
M sin(i) (Earth masses)
513.30+29.24−29.24
M sin(i) (Jupiter masses)
1.6150+0.0920−0.0920
Eccentricity
0.0660+0.0410−0.0410
Epoch of Periastron
2439788.00+84.00−84.00days(JD)
Argument of Periastron
313.0+34.0−34.0deg
Radial Velocity Semi-Amplitude
37.10+2.20−2.20m/s
Distance from Earth
204.3 pc (~666 ly)
Spectral Type
Unknown
Temperature
4802 K
Mass (Solar)
1.32 M☉
Radius (Solar)
5.01 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
12.7763°, -12.9277°
Discovery Method
Radial Velocity
Discovery Year
2018
Source ID: HD 4917 b
HD 4917 b orbits HD 4917 and was reported in 2018 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 513.3 Earth masses (M sin i) and an orbital period of 400.5 days.
Catalog data places the system at about 204.3 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 4917