Exoplanet

HD 203387 c

Orbiting HD 203387

Overview

HD 203387 c is an exoplanet orbiting the star HD 203387, discovered in 2022 using the Radial Velocity method.

Key Measurements

Mass

2378.95

Earth masses

0500 M⊕

Orbital Period

2481.1

days

0.1d10,000d

Distance

61.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

2378.95

Measured

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

2481.072+94.83382.691days

Semi-Major Axis

5.0670+0.20400.1960au

Planet Mass (Earth masses)

2378.95+1079.03702.40

Planet Mass (Jupiter masses)

7.4850+3.39502.2100

Eccentricity

0.2020+0.12500.1010

Epoch of Periastron

2453040.71+13.5013.85days(BJD)

Argument of Periastron

86.3+80.760.7deg

Radial Velocity Semi-Amplitude

21.10+1.041.17m/s

Distance from Earth

61.7 pc (~201 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

2.82 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

320.5618°, -16.8345°

Discovery Method

Radial Velocity

Discovery Year

2022

Data Sources

Source ID: HD 203387 c

System Context

HD 203387 c orbits HD 203387 and was reported in 2022 and was detected with the Radial Velocity method.

Published measurements list a mass of 2,378.95 Earth masses and an orbital period of 2,481.07 days.

Catalog data places the system at about 61.7 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 203387

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