Exoplanet

HD 20003 c

Orbiting HD 20003

Overview

HD 20003 c is an exoplanet orbiting the star HD 20003, discovered in 2019 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

14.44

Earth masses

0500 M⊕

Orbital Period

33.9

days

0.1d10,000d

Distance

41.8

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

14.44

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Udry et al. 2019

Orbital Period

33.924+0.0240.027days

Semi-Major Axis

0.1964+0.00680.0078au

M sin(i) (Earth masses)

14.44+1.471.39

M sin(i) (Jupiter masses)

0.0454+0.00460.0044

Eccentricity

0.1000+0.08000.0700

Epoch of Periastron

2455493.25+4.423.23days(BJD)

Argument of Periastron

53.3+45.934.6deg

Radial Velocity Semi-Amplitude

3.15+0.220.20m/s

Distance from Earth

41.8 pc (~136 ly)

Spectral Type

G8 V

Temperature

5494 K

Mass (Solar)

0.88 M☉

Radius (Solar)

Unknown

Luminosity

-0.14 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

46.9090°, -72.3219°

Discovery Method

Radial Velocity

Discovery Year

2019

Data Sources

Source ID: HD 20003 c

System Context

HD 20003 c orbits HD 20003 and was reported in 2019 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 14.44 Earth masses (M sin i) and an orbital period of 33.92 days.

Catalog data places the system at about 41.8 parsecs from Earth, a host star classified as G8 V, 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 20003

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