HD 12661 b
Orbiting HD 12661
HD 12661 b is an exoplanet orbiting the star HD 12661, discovered in 2000 using the Radial Velocity method.
Minimum Mass (M sin i)
772.33
Earth masses
Orbital Period
262.7
days
Distance
37.8
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
772.33
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
262.709+0.083−0.083days
Semi-Major Axis
0.8400+0.0200−0.0200au
M sin(i) (Earth masses)
772.33+44.50−44.50
M sin(i) (Jupiter masses)
2.4300+0.1400−0.1400
Eccentricity
0.3800+0.0100−0.0100
Radial Velocity Semi-Amplitude
73.60+0.60−0.60m/s
Distance from Earth
37.8 pc (~123 ly)
Spectral Type
Unknown
Temperature
5645 K
Mass (Solar)
1.20 M☉
Radius (Solar)
1.20 R☉
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
31.1424°, 25.4136°
Discovery Method
Radial Velocity
Discovery Year
2000
Source ID: HD 12661 b
HD 12661 b orbits HD 12661 and was reported in 2000 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 772.33 Earth masses (M sin i) and an orbital period of 262.71 days.
Catalog data places the system at about 37.8 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 12661More planets in this system