HD 177830 c
Orbiting HD 177830
HD 177830 c is an exoplanet orbiting the star HD 177830, discovered in 2010 using the Radial Velocity method.
Minimum Mass (M sin i)
47.67
Earth masses
Orbital Period
110.9
days
Distance
62.8
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
47.67
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Meschiari et al. 2011
Orbital Period
110.900+0.100−0.100days
Semi-Major Axis
0.5137+0.0003−0.0003au
M sin(i) (Earth masses)
47.67+6.36−6.36
M sin(i) (Jupiter masses)
0.1500+0.0200−0.0200
Eccentricity
0.3000+0.1000−0.1000
Epoch of Periastron
2450179.00+7.00−7.00days
Argument of Periastron
110.0+29.0−29.0deg
Radial Velocity Semi-Amplitude
5.10+0.80−0.80m/s
Distance from Earth
62.8 pc (~205 ly)
Spectral Type
Unknown
Temperature
4949 K
Mass (Solar)
1.47 M☉
Radius (Solar)
2.62 R☉
Luminosity
0.69 log L☉
Planets in System
2
Stars in System
2
Coordinates (RA, Dec)
286.3364°, 25.9204°
Discovery Method
Radial Velocity
Discovery Year
2010
Source ID: HD 177830 c
HD 177830 c orbits HD 177830 and was reported in 2010 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 47.67 Earth masses (M sin i) and an orbital period of 110.9 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 177830More planets in this system