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

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