HD 109271 b
Orbiting HD 109271
HD 109271 b is an exoplanet orbiting the star HD 109271, discovered in 2013 using the Radial Velocity method.
Minimum Mass (M sin i)
17.16
Earth masses
Orbital Period
7.9
days
Distance
55.9
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
17.16
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Lo Curto et al. 2013
Orbital Period
7.854+0.001−0.001days
Semi-Major Axis
0.0790+0.0010−0.0010au
M sin(i) (Earth masses)
17.16+1.27−1.27
M sin(i) (Jupiter masses)
0.0540+0.0040−0.0040
Eccentricity
0.2500+0.0800−0.0800
Epoch of Periastron
2455719.10+3.60−3.60days
Argument of Periastron
-64.0+20.0−20.0deg
Radial Velocity Semi-Amplitude
5.60+0.50−0.50m/s
Distance from Earth
55.9 pc (~182 ly)
Spectral Type
G5 V
Temperature
5783 K
Mass (Solar)
1.05 M☉
Radius (Solar)
Unknown
Luminosity
0.30 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
188.3974°, -11.6215°
Discovery Method
Radial Velocity
Discovery Year
2013
Source ID: HD 109271 b
HD 109271 b orbits HD 109271 and was reported in 2013 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 17.16 Earth masses (M sin i) and an orbital period of 7.85 days.
Catalog data places the system at about 55.9 parsecs from Earth, a host star classified as G5 V, and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 109271More planets in this system