HD 100777 b
Orbiting HD 100777
HD 100777 b is an exoplanet orbiting the star HD 100777, discovered in 2007 using the Radial Velocity method.
Mass
390.93
Earth masses
Orbital Period
383.0
days
Distance
49.5
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
390.93
Measured
Equilibrium Temperature
Unknown
Parameter source: Philipot et al. 2023
Orbital Period
383.000+1.000−1.000days
Semi-Major Axis
1.0600+0.0200−0.0100au
Planet Mass (Earth masses)
390.93+15.89−15.89
Planet Mass (Jupiter masses)
1.2300+0.0500−0.0500
Eccentricity
0.3800+0.0200−0.0200
Epoch of Periastron
2454224.00+3.00−3.00days(BJD)
Argument of Periastron
204.0+4.0−3.0deg
Distance from Earth
49.5 pc (~162 ly)
Spectral Type
G8 V
Temperature
Unknown
Mass (Solar)
1.08 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
173.9646°, -4.7555°
Discovery Method
Radial Velocity
Discovery Year
2007
Source ID: HD 100777 b
HD 100777 b orbits HD 100777 and was reported in 2007 and was detected with the Radial Velocity method.
Published measurements list a mass of 390.93 Earth masses and an orbital period of 383 days.
Catalog data places the system at about 49.5 parsecs from Earth, a host star classified as G8 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 100777