HD 104985 b
Orbiting HD 104985
HD 104985 b is an exoplanet orbiting the star HD 104985, discovered in 2003 using the Radial Velocity method.
Minimum Mass (M sin i)
1766.81
Earth masses
Orbital Period
199.7
days
Distance
100.6
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1766.81
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Teng et al. 2023
Orbital Period
199.680+0.090−0.070days
Semi-Major Axis
0.7150+0.0000−0.0000au
M sin(i) (Earth masses)
1766.81+34.96−38.78
M sin(i) (Jupiter masses)
5.5590+0.1100−0.1220
Eccentricity
0.0470+0.0150−0.0280
Epoch of Periastron
2455083.50+17.70−16.10days(JD)
Argument of Periastron
133.8+33.3−28.0deg
Radial Velocity Semi-Amplitude
169.06+3.33−3.74m/s
Distance from Earth
100.6 pc (~328 ly)
Spectral Type
G9 III
Temperature
4738 K
Mass (Solar)
1.22 M☉
Radius (Solar)
11.12 R☉
Luminosity
1.77 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
181.3158°, 76.9053°
Discovery Method
Radial Velocity
Discovery Year
2003
Source ID: HD 104985 b
HD 104985 b orbits HD 104985 and was reported in 2003 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1,766.81 Earth masses (M sin i) and an orbital period of 199.68 days.
Catalog data places the system at about 100.6 parsecs from Earth, a host star classified as G9 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 104985