HD 115954 b
Orbiting HD 115954
HD 115954 b is an exoplanet orbiting the star HD 115954, discovered in 2021 using the Radial Velocity method.
Minimum Mass (M sin i)
2634.80
Earth masses
Orbital Period
3700.0
days
Distance
87.6
parsecs
Equilibrium Temp
145
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
2634.80
Radial-velocity minimum
Equilibrium Temperature
145 K
Parameter source: Demangeon et al. 2021
Orbital Period
3700.000+1500.000−390.000days
Semi-Major Axis
5.0000+1.3000−0.3600au
M sin(i) (Earth masses)
2634.80+238.37−184.34
M sin(i) (Jupiter masses)
8.2900+0.7500−0.5800
Eccentricity
0.4870+0.0950−0.0410
Epoch of Periastron
2456131.00+49.00−58.00days(BJD)
Argument of Periastron
185.6+7.5−8.8deg
Radial Velocity Semi-Amplitude
110.70+6.90−6.10m/s
Distance from Earth
87.6 pc (~286 ly)
Spectral Type
G0 V
Temperature
5957 K
Mass (Solar)
1.18 M☉
Radius (Solar)
1.21 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
199.9854°, 38.3691°
Discovery Method
Radial Velocity
Discovery Year
2021
Source ID: HD 115954 b
HD 115954 b orbits HD 115954 and was reported in 2021 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 2,634.8 Earth masses (M sin i), an orbital period of 3,700 days, and an equilibrium temperature near 145 K.
Catalog data places the system at about 87.6 parsecs from Earth, a host star classified as G0 V, 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 115954