Exoplanet

HD 27631 b

Orbiting HD 27631

Overview

HD 27631 b is an exoplanet orbiting the star HD 27631, discovered in 2012 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

474.84

Earth masses

0500 M⊕

Orbital Period

2198.1

days

0.1d10,000d

Distance

50.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

474.84

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Barbato et al. 2018

Orbital Period

2198.140+54.11050.340days

Semi-Major Axis

3.2420+0.07000.0680au

M sin(i) (Earth masses)

474.84+13.3513.35

M sin(i) (Jupiter masses)

1.4940+0.04200.0420

Eccentricity

0.1410+0.06200.0650

Epoch of Periastron

2456086.00+193.40170.80days(BJD)

Argument of Periastron

122.6+33.330.2deg

Radial Velocity Semi-Amplitude

24.51+1.841.82m/s

Distance from Earth

50.3 pc (~164 ly)

Spectral Type

Unknown

Temperature

5737 K

Mass (Solar)

0.94 M☉

Radius (Solar)

0.92 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

64.9392°, -41.9607°

Discovery Method

Radial Velocity

Discovery Year

2012

Data Sources

Source ID: HD 27631 b

System Context

HD 27631 b orbits HD 27631 and was reported in 2012 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 474.84 Earth masses (M sin i) and an orbital period of 2,198.14 days.

Catalog data places the system at about 50.3 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 27631