HD 219139 b
Orbiting HD 219139
HD 219139 b is an exoplanet orbiting the star HD 219139, discovered in 2021 using the Radial Velocity method.
Minimum Mass (M sin i)
247.91
Earth masses
Orbital Period
275.5
days
Distance
104.9
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
247.91
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Teng et al. 2022
Orbital Period
275.500+2.300−1.000days
Semi-Major Axis
0.9400+0.0600−0.0700au
M sin(i) (Earth masses)
247.91+15.89−63.57
M sin(i) (Jupiter masses)
0.7800+0.0500−0.2000
Eccentricity
0.1100+0.0870−0.0810
Epoch of Periastron
2455240.10+198.90−12.20days(JD)
Argument of Periastron
318.0+113.0−67.0deg
Radial Velocity Semi-Amplitude
19.20+1.80−2.60m/s
Distance from Earth
104.9 pc (~342 ly)
Spectral Type
G5 III
Temperature
4831 K
Mass (Solar)
1.46 M☉
Radius (Solar)
11.22 R☉
Luminosity
1.79 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
348.3604°, 11.0650°
Discovery Method
Radial Velocity
Discovery Year
2021
Source ID: HD 219139 b
HD 219139 b orbits HD 219139 and was reported in 2021 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 247.91 Earth masses (M sin i) and an orbital period of 275.5 days.
Catalog data places the system at about 104.9 parsecs from Earth, a host star classified as G5 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 219139