HD 11977 b
Orbiting HD 11977
HD 11977 b is an exoplanet orbiting the star HD 11977, discovered in 2005 using the Radial Velocity method.
Minimum Mass (M sin i)
2080.00
Earth masses
Orbital Period
711.0
days
Distance
67.9
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
2080.00
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Setiawan et al. 2005
Orbital Period
711.000+8.000−8.000days
Semi-Major Axis
1.9300au
M sin(i) (Earth masses)
2080.00
M sin(i) (Jupiter masses)
6.5400
Eccentricity
0.4000+0.0700−0.0700
Epoch of Periastron
2451420.00days
Argument of Periastron
351.5+9.5−9.5deg
Radial Velocity Semi-Amplitude
105.00+8.00−8.00m/s
Distance from Earth
67.9 pc (~222 ly)
Spectral Type
Unknown
Temperature
4970 K
Mass (Solar)
1.91 M☉
Radius (Solar)
10.09 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
28.7347°, -67.6470°
Discovery Method
Radial Velocity
Discovery Year
2005
Source ID: HD 11977 b
HD 11977 b orbits HD 11977 and was reported in 2005 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 2,080 Earth masses (M sin i) and an orbital period of 711 days.
Catalog data places the system at about 67.9 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 11977