HD 171028 b
Orbiting HD 171028
HD 171028 b is an exoplanet orbiting the star HD 171028, discovered in 2007 using the Radial Velocity method.
Minimum Mass (M sin i)
832.71
Earth masses
Orbital Period
550.0
days
Distance
111.7
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
832.71
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
550.000+3.000−3.000days
Semi-Major Axis
1.3200+0.0300−0.0300au
M sin(i) (Earth masses)
832.71+50.85−50.85
M sin(i) (Jupiter masses)
2.6200+0.1600−0.1600
Eccentricity
0.5900+0.0100−0.0100
Radial Velocity Semi-Amplitude
60.60+1.00−1.00m/s
Distance from Earth
111.7 pc (~364 ly)
Spectral Type
Unknown
Temperature
5671 K
Mass (Solar)
1.53 M☉
Radius (Solar)
2.47 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
278.0644°, 6.9457°
Discovery Method
Radial Velocity
Discovery Year
2007
Source ID: HD 171028 b
HD 171028 b orbits HD 171028 and was reported in 2007 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 832.71 Earth masses (M sin i) and an orbital period of 550 days.
Catalog data places the system at about 111.7 parsecs from Earth and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HD 171028