Exoplanet

HD 177830 b

Orbiting HD 177830

Overview

HD 177830 b is an exoplanet orbiting the star HD 177830, discovered in 1999 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

537.13

Earth masses

0500 M⊕

Orbital Period

410.1

days

0.1d10,000d

Distance

62.8

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

537.13

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

410.100+2.200−2.200days

Semi-Major Axis

1.1400+0.0300−0.0300au

M sin(i) (Earth masses)

537.13+63.57−63.57

M sin(i) (Jupiter masses)

1.6900+0.2000−0.2000

Eccentricity

0.1000+0.0500−0.0500

Radial Velocity Semi-Amplitude

32.60+1.00−1.00m/s

Distance from Earth

62.8 pc (~205 ly)

Spectral Type

Unknown

Temperature

4901 K

Mass (Solar)

1.70 M☉

Radius (Solar)

3.26 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

2

Coordinates (RA, Dec)

286.3364°, 25.9204°

Discovery Method

Radial Velocity

Discovery Year

1999

Data Sources
NASA Exoplanet Archive

Source ID: HD 177830 b

System Context

HD 177830 b orbits HD 177830 and was reported in 1999 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 537.13 Earth masses (M sin i) and an orbital period of 410.1 days.

Catalog data places the system at about 62.8 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 177830

More planets in this system

HD 177830 c