HD 81040 b
Orbiting HD 81040
HD 81040 b is an exoplanet orbiting the star HD 81040, discovered in 2005 using the Radial Velocity method.
Mass
2301.08
Earth masses
Orbital Period
1002.7
days
Distance
34.4
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
2301.08
Measured
Equilibrium Temperature
Unknown
Parameter source: Li et al. 2021
Orbital Period
1002.700+4.000−3.400days
Semi-Major Axis
1.9460+0.0140−0.0140au
Planet Mass (Earth masses)
2301.08+317.83−117.60
Planet Mass (Jupiter masses)
7.2400+1.0000−0.3700
Eccentricity
0.5250+0.0240−0.0260
Epoch of Periastron
2455511.10+10.00−8.70days(JD)
Argument of Periastron
81.0+3.3−3.3deg
Distance from Earth
34.4 pc (~112 ly)
Spectral Type
G2/G3
Temperature
Unknown
Mass (Solar)
0.99 M☉
Radius (Solar)
Unknown
Luminosity
-0.08 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
140.9455°, 20.3646°
Discovery Method
Radial Velocity
Discovery Year
2005
Source ID: HD 81040 b
HD 81040 b orbits HD 81040 and was reported in 2005 and was detected with the Radial Velocity method.
Published measurements list a mass of 2,301.08 Earth masses and an orbital period of 1,002.7 days.
Catalog data places the system at about 34.4 parsecs from Earth, a host star classified as G2/G3, 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 81040