ups Leo b
Orbiting ups Leo
ups Leo b is an exoplanet orbiting the star ups Leo, discovered in 2021 using the Radial Velocity method.
Minimum Mass (M sin i)
162.09
Earth masses
Orbital Period
385.2
days
Distance
52.6
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
162.09
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Teng et al. 2022
Orbital Period
385.200+2.800−1.300days
Semi-Major Axis
1.1800+0.1100−0.3200au
M sin(i) (Earth masses)
162.09+19.07−82.64
M sin(i) (Jupiter masses)
0.5100+0.0600−0.2600
Eccentricity
0.3200+0.1340−0.2180
Epoch of Periastron
2455279.60+27.90−34.20days(JD)
Argument of Periastron
131.0+36.0−31.0deg
Radial Velocity Semi-Amplitude
11.70+1.70−1.60m/s
Distance from Earth
52.6 pc (~172 ly)
Spectral Type
G9 III
Temperature
4836 K
Mass (Solar)
1.48 M☉
Radius (Solar)
11.22 R☉
Luminosity
1.80 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
174.2372°, -0.8236°
Discovery Method
Radial Velocity
Discovery Year
2021
Source ID: ups Leo b
ups Leo b orbits ups Leo and was reported in 2021 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 162.09 Earth masses (M sin i) and an orbital period of 385.2 days.
Catalog data places the system at about 52.6 parsecs from Earth, a host star classified as G9 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 ups Leo