Exoplanet

HD 30856 b

Orbiting HD 30856

Overview

HD 30856 b is an exoplanet orbiting the star HD 30856, discovered in 2011 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

491.68

Earth masses

0500 M⊕

Orbital Period

847.0

days

0.1d10,000d

Distance

131.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

491.68

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Luhn et al. 2019

Orbital Period

847.000+20.00020.000days

Semi-Major Axis

1.8500+0.13000.1300au

M sin(i) (Earth masses)

491.68+28.9228.92

M sin(i) (Jupiter masses)

1.5470+0.09100.0910

Eccentricity

0.0610+0.05800.0580

Epoch of Periastron

2455200.00+150.00150.00days(JD)

Argument of Periastron

171.0+68.068.0deg

Radial Velocity Semi-Amplitude

29.90+1.701.70m/s

Distance from Earth

131.2 pc (~428 ly)

Spectral Type

Unknown

Temperature

4895 K

Mass (Solar)

1.17 M☉

Radius (Solar)

4.40 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

72.5745°, -24.3689°

Discovery Method

Radial Velocity

Discovery Year

2011

Data Sources

Source ID: HD 30856 b

System Context

HD 30856 b orbits HD 30856 and was reported in 2011 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 491.68 Earth masses (M sin i) and an orbital period of 847 days.

Catalog data places the system at about 131.2 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 30856