HD 75289 b
Orbiting HD 75289
HD 75289 b is an exoplanet orbiting the star HD 75289, discovered in 1999 using the Radial Velocity method.
Minimum Mass (M sin i)
155.74
Earth masses
Orbital Period
3.5
days
Distance
29.1
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
155.74
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
3.509+0.000−0.000days
Semi-Major Axis
0.0500+0.0000−0.0000au
M sin(i) (Earth masses)
155.74+9.53−9.53
M sin(i) (Jupiter masses)
0.4900+0.0300−0.0300
Eccentricity
0.0300+0.0300−0.0300
Radial Velocity Semi-Amplitude
54.90+1.80−1.80m/s
Distance from Earth
29.1 pc (~95 ly)
Spectral Type
Unknown
Temperature
6117 K
Mass (Solar)
1.29 M☉
Radius (Solar)
1.23 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
131.9182°, -41.7378°
Discovery Method
Radial Velocity
Discovery Year
1999
Source ID: HD 75289 b
HD 75289 b orbits HD 75289 and was reported in 1999 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 155.74 Earth masses (M sin i) and an orbital period of 3.51 days.
Catalog data places the system at about 29.1 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 75289