HD 180902 b
Orbiting HD 180902
HD 180902 b is an exoplanet orbiting the star HD 180902, discovered in 2009 using the Radial Velocity method.
Minimum Mass (M sin i)
535.54
Earth masses
Orbital Period
510.9
days
Distance
104.6
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
535.54
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Luhn et al. 2019
Orbital Period
510.900+1.500−1.500days
Semi-Major Axis
1.4000+0.1100−0.1100au
M sin(i) (Earth masses)
535.54+13.03−13.03
M sin(i) (Jupiter masses)
1.6850+0.0410−0.0410
Eccentricity
0.1070+0.0220−0.0220
Epoch of Periastron
2455055.00+17.00−17.00days(JD)
Argument of Periastron
181.0+12.0−12.0deg
Radial Velocity Semi-Amplitude
34.25+0.84−0.84m/s
Distance from Earth
104.6 pc (~341 ly)
Spectral Type
Unknown
Temperature
4961 K
Mass (Solar)
1.41 M☉
Radius (Solar)
4.16 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
289.8240°, -23.5582°
Discovery Method
Radial Velocity
Discovery Year
2009
Source ID: HD 180902 b
HD 180902 b orbits HD 180902 and was reported in 2009 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 535.54 Earth masses (M sin i) and an orbital period of 510.9 days.
Catalog data places the system at about 104.6 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 180902