Exoplanet

omi UMa b

Orbiting omi UMa

Overview

omi UMa b is an exoplanet orbiting the star omi UMa, discovered in 2012 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

1160.39

Earth masses

0500 M⊕

Orbital Period

1569.8

days

0.1d10,000d

Distance

54.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

1160.39

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Teng et al. 2023

Orbital Period

1569.810+12.76013.590days

Semi-Major Axis

3.6910+0.02000.0210au

M sin(i) (Earth masses)

1160.39+55.9494.71

M sin(i) (Jupiter masses)

3.6510+0.17600.2980

Eccentricity

0.1490+0.04400.0790

Epoch of Periastron

2453348.80+132.6084.10days(JD)

Argument of Periastron

40.8+30.921.4deg

Radial Velocity Semi-Amplitude

33.11+1.642.77m/s

Distance from Earth

54.9 pc (~179 ly)

Spectral Type

G4 II-III

Temperature

5075 K

Mass (Solar)

2.72 M☉

Radius (Solar)

13.84 R☉

Luminosity

2.06 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

127.5650°, 60.7177°

Discovery Method

Radial Velocity

Discovery Year

2012

Data Sources

Source ID: omi UMa b

System Context

omi UMa b orbits omi UMa and was reported in 2012 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 1,160.39 Earth masses (M sin i) and an orbital period of 1,569.81 days.

Catalog data places the system at about 54.9 parsecs from Earth, a host star classified as G4 II-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 omi UMa