HD 30177 b
Orbiting HD 30177
HD 30177 b is an exoplanet orbiting the star HD 30177, discovered in 2002 using the Radial Velocity method.
Mass
2622.08
Earth masses
Orbital Period
2539.0
days
Distance
55.6
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
2622.08
Measured
Equilibrium Temperature
Unknown
Parameter source: Peña et al. 2026
Orbital Period
2539.000+1.000−3.000days
Semi-Major Axis
3.4900+0.1800−0.1400au
Planet Mass (Earth masses)
2622.08+333.72−270.15
Planet Mass (Jupiter masses)
8.2500+1.0500−0.8500
Eccentricity
0.1860+0.0020−0.0040
Radial Velocity Semi-Amplitude
124.10+1.40−1.00m/s
Distance from Earth
55.6 pc (~181 ly)
Spectral Type
G8 V
Temperature
5680 K
Mass (Solar)
0.98 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
70.4771°, -58.0208°
Discovery Method
Radial Velocity
Discovery Year
2002
Source ID: HD 30177 b
HD 30177 b orbits HD 30177 and was reported in 2002 and was detected with the Radial Velocity method.
Published measurements list a mass of 2,622.08 Earth masses and an orbital period of 2,539 days.
Catalog data places the system at about 55.6 parsecs from Earth, a host star classified as G8 V, 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 30177More planets in this system