61 Vir b
Orbiting 61 Vir
61 Vir b is an exoplanet orbiting the star 61 Vir, discovered in 2009 using the Radial Velocity method.
Minimum Mass (M sin i)
5.10
Earth masses
Orbital Period
4.2
days
Distance
8.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
5.10
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Vogt et al. 2010
Orbital Period
4.215+0.001−0.001days
Semi-Major Axis
0.0502+0.0000−0.0000au
M sin(i) (Earth masses)
5.10+0.50−0.50
M sin(i) (Jupiter masses)
0.0160+0.0020−0.0020
Eccentricity
0.1200+0.1100−0.1100
Argument of Periastron
105.0+54.0−54.0deg
Radial Velocity Semi-Amplitude
2.12+0.23−0.23m/s
Distance from Earth
8.5 pc (~28 ly)
Spectral Type
G5 V
Temperature
5577 K
Mass (Solar)
0.94 M☉
Radius (Solar)
0.96 R☉
Luminosity
-0.10 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
199.5965°, -18.3158°
Discovery Method
Radial Velocity
Discovery Year
2009
Source ID: 61 Vir b
61 Vir b orbits 61 Vir and was reported in 2009 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 5.1 Earth masses (M sin i) and an orbital period of 4.22 days.
Catalog data places the system at about 8.5 parsecs from Earth, a host star classified as G5 V, and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open 61 Vir