Exoplanet

HD 85390 b

Orbiting HD 85390

Overview

HD 85390 b is an exoplanet orbiting the star HD 85390, discovered in 2011 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

31.47

Earth masses

0500 M⊕

Orbital Period

799.5

days

0.1d10,000d

Distance

33.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

31.47

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Wittenmyer et al. 2019

Orbital Period

799.520+2.4102.410days

Semi-Major Axis

1.3730+0.03500.0350au

M sin(i) (Earth masses)

31.47+3.183.18

M sin(i) (Jupiter masses)

0.0990+0.01000.0100

Eccentricity

0.5000+0.05000.0500

Argument of Periastron

250.0+8.08.0deg

Radial Velocity Semi-Amplitude

3.80+0.300.30m/s

Distance from Earth

33.5 pc (~109 ly)

Spectral Type

Unknown

Temperature

5186 K

Mass (Solar)

0.76 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

147.5106°, -49.7905°

Discovery Method

Radial Velocity

Discovery Year

2011

Data Sources

Source ID: HD 85390 b

System Context

HD 85390 b orbits HD 85390 and was reported in 2011 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 31.47 Earth masses (M sin i) and an orbital period of 799.52 days.

Catalog data places the system at about 33.5 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 85390