Exoplanet

HD 155358 c

Orbiting HD 155358

Overview

HD 155358 c is an exoplanet orbiting the star HD 155358, discovered in 2007 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

261.00

Earth masses

0500 M⊕

Orbital Period

391.9

days

0.1d10,000d

Distance

43.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

261.00

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Robertson et al. 2012

Orbital Period

391.900+1.0001.000days

Semi-Major Axis

1.0200+0.02000.0200au

M sin(i) (Earth masses)

261.00+22.0022.00

M sin(i) (Jupiter masses)

0.8200+0.07000.0700

Eccentricity

0.1600+0.10000.1000

Epoch of Periastron

2455345.40+28.0028.00days

Argument of Periastron

180.0+26.026.0deg

Radial Velocity Semi-Amplitude

24.90+1.001.00m/s

Distance from Earth

43.6 pc (~142 ly)

Spectral Type

G0

Temperature

5900 K

Mass (Solar)

0.92 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

257.3931°, 33.3549°

Discovery Method

Radial Velocity

Discovery Year

2007

Data Sources

Source ID: HD 155358 c

System Context

HD 155358 c orbits HD 155358 and was reported in 2007 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 261 Earth masses (M sin i) and an orbital period of 391.9 days.

Catalog data places the system at about 43.6 parsecs from Earth, a host star classified as G0, 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 155358

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