Exoplanet

HD 70642 b

Orbiting HD 70642

Overview

HD 70642 b is an exoplanet orbiting the star HD 70642, discovered in 2003 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

633.44

Earth masses

0500 M⊕

Orbital Period

2124.5

days

0.1d10,000d

Distance

29.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

633.44

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Barbato et al. 2018

Orbital Period

2124.540+14.65013.510days

Semi-Major Axis

3.3180+0.02200.0210au

M sin(i) (Earth masses)

633.44+5.725.72

M sin(i) (Jupiter masses)

1.9930+0.01800.0180

Eccentricity

0.1750+0.04400.0440

Epoch of Periastron

2456159.10+1912.30131.90days(BJD)

Argument of Periastron

272.8+15.614.0deg

Radial Velocity Semi-Amplitude

30.40+1.831.91m/s

Distance from Earth

29.3 pc (~95 ly)

Spectral Type

Unknown

Temperature

5732 K

Mass (Solar)

1.08 M☉

Radius (Solar)

0.98 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

125.3661°, -39.7044°

Discovery Method

Radial Velocity

Discovery Year

2003

Data Sources

Source ID: HD 70642 b

System Context

HD 70642 b orbits HD 70642 and was reported in 2003 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 633.44 Earth masses (M sin i) and an orbital period of 2,124.54 days.

Catalog data places the system at about 29.3 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 70642