psi1 Dra B b
Orbiting psi1 Dra B
psi1 Dra B b is an exoplanet orbiting the star psi1 Dra B, discovered in 2015 using the Radial Velocity method.
Minimum Mass (M sin i)
486.28
Earth masses
Orbital Period
3117.0
days
Distance
22.7
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
486.28
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Endl et al. 2016
Orbital Period
3117.000+42.000−42.000days
Semi-Major Axis
4.4300+0.0400−0.0400au
M sin(i) (Earth masses)
486.28+31.78−31.78
M sin(i) (Jupiter masses)
1.5300+0.1000−0.1000
Eccentricity
0.4000+0.0500−0.0500
Epoch of Periastron
2449344.00+76.00−76.00days(JD)
Argument of Periastron
64.0+9.0−9.0deg
Radial Velocity Semi-Amplitude
21.00+1.00−1.00m/s
Distance from Earth
22.7 pc (~74 ly)
Spectral Type
G0 V
Temperature
6212 K
Mass (Solar)
1.19 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
3
Coordinates (RA, Dec)
265.4926°, 72.1557°
Discovery Method
Radial Velocity
Discovery Year
2015
Source ID: psi1 Dra B b
psi1 Dra B b orbits psi1 Dra B and was reported in 2015 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 486.28 Earth masses (M sin i) and an orbital period of 3,117 days.
Catalog data places the system at about 22.7 parsecs from Earth, a host star classified as G0 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 psi1 Dra B