Exoplanet

HIP 79431 b

Orbiting HIP 79431

Overview

HIP 79431 b is an exoplanet orbiting the star HIP 79431, discovered in 2009 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

667.41

Earth masses

0500 M⊕

Orbital Period

111.7

days

0.1d10,000d

Distance

14.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

667.41

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Apps et al. 2010

Orbital Period

111.700+0.7000.700days

Semi-Major Axis

0.3600au

M sin(i) (Earth masses)

667.41

M sin(i) (Jupiter masses)

2.1000

Eccentricity

0.2900+0.02000.0200

Epoch of Periastron

2454980.30+1.201.20days

Argument of Periastron

287.4+3.23.2deg

Radial Velocity Semi-Amplitude

149.50+2.502.50m/s

Distance from Earth

14.5 pc (~47 ly)

Spectral Type

M3 V

Temperature

3191 K

Mass (Solar)

0.49 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

243.1742°, -18.8764°

Discovery Method

Radial Velocity

Discovery Year

2009

Data Sources

Source ID: HIP 79431 b

System Context

HIP 79431 b orbits HIP 79431 and was reported in 2009 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 667.42 Earth masses (M sin i) and an orbital period of 111.7 days.

Catalog data places the system at about 14.5 parsecs from Earth, a host star classified as M3 V, 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 HIP 79431
HIP 79431 b