HD 145457 b
Orbiting HD 145457
HD 145457 b is an exoplanet orbiting the star HD 145457, discovered in 2010 using the Radial Velocity method.
Minimum Mass (M sin i)
888.01
Earth masses
Orbital Period
176.1
days
Distance
135.3
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
888.01
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Teng et al. 2023
Orbital Period
176.130+0.180−0.200days
Semi-Major Axis
0.7620+0.0010−0.0010au
M sin(i) (Earth masses)
888.01+41.95−37.19
M sin(i) (Jupiter masses)
2.7940+0.1320−0.1170
Eccentricity
0.1110+0.0390−0.0400
Epoch of Periastron
2453347.10+19.70−10.20days(JD)
Argument of Periastron
-48.6+29.6−28.1deg
Radial Velocity Semi-Amplitude
66.46+3.12−2.65m/s
Distance from Earth
135.3 pc (~441 ly)
Spectral Type
Unknown
Temperature
4757 K
Mass (Solar)
1.90 M☉
Radius (Solar)
9.90 R☉
Luminosity
1.66 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
242.5162°, 26.7429°
Discovery Method
Radial Velocity
Discovery Year
2010
Source ID: HD 145457 b
HD 145457 b orbits HD 145457 and was reported in 2010 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 888.01 Earth masses (M sin i) and an orbital period of 176.13 days.
Catalog data places the system at about 135.3 parsecs from Earth 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 HD 145457