11 Com b
Orbiting 11 Com
11 Com b is an exoplanet orbiting the star 11 Com, discovered in 2007 using the Radial Velocity method.
Minimum Mass (M sin i)
4914.90
Earth masses
Orbital Period
323.2
days
Distance
93.2
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
4914.90
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Teng et al. 2023
Orbital Period
323.210+0.060−0.050days
Semi-Major Axis
1.1780+0.0000−0.0000au
M sin(i) (Earth masses)
4914.90+39.09−39.73
M sin(i) (Jupiter masses)
15.4640+0.1230−0.1250
Eccentricity
0.2380+0.0070−0.0070
Epoch of Periastron
2454519.40+1.50−1.60days(JD)
Argument of Periastron
91.3+1.7−1.8deg
Radial Velocity Semi-Amplitude
288.63+2.39−2.37m/s
Distance from Earth
93.2 pc (~304 ly)
Spectral Type
G8 III
Temperature
4874 K
Mass (Solar)
2.09 M☉
Radius (Solar)
13.76 R☉
Luminosity
1.98 log L☉
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
185.1788°, 17.7933°
Discovery Method
Radial Velocity
Discovery Year
2007
Source ID: 11 Com b
11 Com b orbits 11 Com and was reported in 2007 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 4,914.9 Earth masses (M sin i) and an orbital period of 323.21 days.
Catalog data places the system at about 93.2 parsecs from Earth, a host star classified as G8 III, 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 11 Com