bet UMi b
Orbiting bet UMi
bet UMi b is an exoplanet orbiting the star bet UMi, discovered in 2014 using the Radial Velocity method.
Minimum Mass (M sin i)
1938.70
Earth masses
Orbital Period
522.3
days
Distance
38.8
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1938.70
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Lee et al. 2014
Orbital Period
522.300+2.700−2.700days
Semi-Major Axis
1.4000+0.1000−0.1000au
M sin(i) (Earth masses)
1938.70+317.80−317.80
M sin(i) (Jupiter masses)
6.1000+1.0000−1.0000
Eccentricity
0.1900+0.0200−0.0200
Epoch of Periastron
2453175.30+4.60−4.60days
Argument of Periastron
307.4+2.8−2.8deg
Radial Velocity Semi-Amplitude
126.10+8.10−8.10m/s
Distance from Earth
38.8 pc (~126 ly)
Spectral Type
K4 III
Temperature
4126 K
Mass (Solar)
1.40 M☉
Radius (Solar)
38.30 R☉
Luminosity
2.73 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
222.6765°, 74.1555°
Discovery Method
Radial Velocity
Discovery Year
2014
Source ID: bet UMi b
bet UMi b orbits bet UMi and was reported in 2014 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1,938.7 Earth masses (M sin i) and an orbital period of 522.3 days.
Catalog data places the system at about 38.8 parsecs from Earth, a host star classified as K4 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 bet UMi