rho CrB b
Orbiting rho CrB
rho CrB b is an exoplanet orbiting the star rho CrB, discovered in 1997 using the Radial Velocity method.
Minimum Mass (M sin i)
348.00
Earth masses
Orbital Period
39.8
days
Distance
17.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
348.00
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Zhao et al. 2026
Orbital Period
39.849+0.002−0.002days
M sin(i) (Earth masses)
348.00+0.05−0.05
M sin(i) (Jupiter masses)
1.0949+0.0002−0.0002
Eccentricity
0.0460+0.0020−0.0020
Epoch of Periastron
2455499.08+0.18−0.18days(JD)
Argument of Periastron
270.1+3.0−3.0deg
Radial Velocity Semi-Amplitude
67.49+0.17−0.17m/s
Distance from Earth
17.5 pc (~57 ly)
Spectral Type
G0
Temperature
Unknown
Mass (Solar)
1.00 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
240.2601°, 33.3002°
Discovery Method
Radial Velocity
Discovery Year
1997
Source ID: rho CrB b
rho CrB b orbits rho CrB and was reported in 1997 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 348 Earth masses (M sin i) and an orbital period of 39.85 days.
Catalog data places the system at about 17.5 parsecs from Earth, a host star classified as G0, 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 rho CrB