Exoplanet

HD 213240 b

Orbiting HD 213240

Overview

HD 213240 b is an exoplanet orbiting the star HD 213240, discovered in 2001 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

1773.49

Earth masses

0500 M⊕

Orbital Period

882.7

days

0.1d10,000d

Distance

40.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

1773.49

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

882.700+7.600−7.600days

Semi-Major Axis

1.8900+0.0300−0.0300au

M sin(i) (Earth masses)

1773.49+98.53−98.53

M sin(i) (Jupiter masses)

5.5800+0.3100−0.3100

Eccentricity

0.4200+0.0100−0.0100

Radial Velocity Semi-Amplitude

96.60+2.00−2.00m/s

Distance from Earth

40.9 pc (~133 ly)

Spectral Type

Unknown

Temperature

5979 K

Mass (Solar)

1.57 M☉

Radius (Solar)

1.51 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

337.7506°, -49.4341°

Discovery Method

Radial Velocity

Discovery Year

2001

Data Sources
NASA Exoplanet Archive

Source ID: HD 213240 b

System Context

HD 213240 b orbits HD 213240 and was reported in 2001 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 1,773.49 Earth masses (M sin i) and an orbital period of 882.7 days.

Catalog data places the system at about 40.9 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 213240