Exoplanet

HD 141399 c

Orbiting HD 141399

Overview

HD 141399 c is an exoplanet orbiting the star HD 141399, discovered in 2014 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

422.71

Earth masses

0500 M⊕

Orbital Period

202.0

days

0.1d10,000d

Distance

37.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

422.71

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Hébrard et al. 2016

Orbital Period

201.990+0.0800.080days

Semi-Major Axis

0.6890+0.02000.0200au

M sin(i) (Earth masses)

422.71+25.4325.43

M sin(i) (Jupiter masses)

1.3300+0.08000.0800

Eccentricity

0.0480+0.00900.0090

Epoch of Periastron

2456838.00+10.0010.00days(BJD)

Argument of Periastron

-140.0+40.040.0deg

Radial Velocity Semi-Amplitude

44.20+0.500.50m/s

Distance from Earth

37.0 pc (~121 ly)

Spectral Type

K0

Temperature

5600 K

Mass (Solar)

1.07 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

4

Stars in System

1

Coordinates (RA, Dec)

236.7235°, 46.9863°

Discovery Method

Radial Velocity

Discovery Year

2014

Data Sources

Source ID: HD 141399 c

System Context

HD 141399 c orbits HD 141399 and was reported in 2014 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 422.71 Earth masses (M sin i) and an orbital period of 201.99 days.

Catalog data places the system at about 37 parsecs from Earth, a host star classified as K0, and 4 known planets in the system.

Host star

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

Open HD 141399

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