HD 1666 b
Orbiting HD 1666
HD 1666 b is an exoplanet orbiting the star HD 1666, discovered in 2015 using the Radial Velocity method.
Minimum Mass (M sin i)
2040.00
Earth masses
Orbital Period
270.0
days
Distance
117.9
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
2040.00
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Harakawa et al. 2015
Orbital Period
270.000+0.800−0.900days
Semi-Major Axis
0.9400+0.0100−0.0200au
M sin(i) (Earth masses)
2040.00+99.00−70.00
M sin(i) (Jupiter masses)
6.4300+0.3100−0.2200
Eccentricity
0.6300+0.0300−0.0200
Epoch of Periastron
2453526.30+7.30−5.30days
Argument of Periastron
294.0+5.0−1.0deg
Radial Velocity Semi-Amplitude
199.40+8.80−5.50m/s
Distance from Earth
117.9 pc (~385 ly)
Spectral Type
F7 V
Temperature
6317 K
Mass (Solar)
1.50 M☉
Radius (Solar)
1.93 R☉
Luminosity
0.73 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
5.2180°, -19.9315°
Discovery Method
Radial Velocity
Discovery Year
2015
Source ID: HD 1666 b
HD 1666 b orbits HD 1666 and was reported in 2015 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 2,040 Earth masses (M sin i) and an orbital period of 270 days.
Catalog data places the system at about 117.9 parsecs from Earth, a host star classified as F7 V, 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 1666