Exoplanet

HD 4203 c

Orbiting HD 4203

Overview

HD 4203 c is an exoplanet orbiting the star HD 4203, discovered in 2014 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

689.66

Earth masses

0500 M⊕

Orbital Period

6700.0

days

0.1d10,000d

Distance

81.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

689.66

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Kane et al. 2014

Orbital Period

6700.000+4500.0004500.000days

Semi-Major Axis

6.9500+1.93000.5600au

M sin(i) (Earth masses)

689.66+165.26165.26

M sin(i) (Jupiter masses)

2.1700+0.52000.5200

Eccentricity

0.2400+0.13000.1300

Epoch of Periastron

2456000.00+9600.009600.00days

Argument of Periastron

224.0+48.848.8deg

Radial Velocity Semi-Amplitude

22.20+3.713.71m/s

Distance from Earth

81.4 pc (~265 ly)

Spectral Type

Unknown

Temperature

5582 K

Mass (Solar)

0.99 M☉

Radius (Solar)

1.50 R☉

Luminosity

0.29 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

11.1722°, 20.4484°

Discovery Method

Radial Velocity

Discovery Year

2014

Data Sources

Source ID: HD 4203 c

System Context

HD 4203 c orbits HD 4203 and was reported in 2014 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 689.66 Earth masses (M sin i) and an orbital period of 6,700 days.

Catalog data places the system at about 81.4 parsecs from Earth and 2 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HD 4203

More planets in this system

HD 4203 c