47 UMa b
Orbiting 47 UMa
47 UMa b is an exoplanet orbiting the star 47 UMa, discovered in 1996 using the Radial Velocity method.
Minimum Mass (M sin i)
804.08
Earth masses
Orbital Period
1078.0
days
Distance
13.8
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
804.08
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Gregory & Fischer 2010
Orbital Period
1078.000+2.000−2.000days
Semi-Major Axis
2.1000+0.0200−0.0200au
M sin(i) (Earth masses)
804.08+22.25−19.07
M sin(i) (Jupiter masses)
2.5300+0.0700−0.0600
Eccentricity
0.0320+0.0140−0.0140
Epoch of Periastron
2451917.00+63.00−76.00days
Argument of Periastron
334.0+23.0−23.0deg
Radial Velocity Semi-Amplitude
48.40+0.80−0.90m/s
Distance from Earth
13.8 pc (~45 ly)
Spectral Type
Unknown
Temperature
5872 K
Mass (Solar)
1.06 M☉
Radius (Solar)
1.21 R☉
Luminosity
0.20 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
164.8648°, 40.4305°
Discovery Method
Radial Velocity
Discovery Year
1996
Source ID: 47 UMa b
47 UMa b orbits 47 UMa and was reported in 1996 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 804.08 Earth masses (M sin i) and an orbital period of 1,078 days.
Catalog data places the system at about 13.8 parsecs from Earth 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 47 UMa