Exoplanet

HD 136418 b

Orbiting HD 136418

Overview

HD 136418 b is an exoplanet orbiting the star HD 136418, discovered in 2009 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

680.16

Earth masses

0500 M⊕

Orbital Period

464.3

days

0.1d10,000d

Distance

105.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

680.16

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

464.300+3.2003.200days

Semi-Major Axis

1.2900+0.03000.0300au

M sin(i) (Earth masses)

680.16+47.6747.67

M sin(i) (Jupiter masses)

2.1400+0.15000.1500

Eccentricity

0.2500+0.04000.0400

Radial Velocity Semi-Amplitude

44.70+1.901.90m/s

Distance from Earth

105.2 pc (~343 ly)

Spectral Type

Unknown

Temperature

4989 K

Mass (Solar)

1.48 M☉

Radius (Solar)

3.78 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

229.7756°, 41.7324°

Discovery Method

Radial Velocity

Discovery Year

2009

Data Sources

Source ID: HD 136418 b

System Context

HD 136418 b orbits HD 136418 and was reported in 2009 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 680.16 Earth masses (M sin i) and an orbital period of 464.3 days.

Catalog data places the system at about 105.2 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 136418
HD 136418 b