Exoplanet

HD 210702 b

Orbiting HD 210702

Overview

HD 210702 b is an exoplanet orbiting the star HD 210702, discovered in 2007 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

481.51

Earth masses

0500 M⊕

Orbital Period

355.5

days

0.1d10,000d

Distance

54.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

481.51

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Teng et al. 2023

Orbital Period

355.500+0.3800.610days

Semi-Major Axis

1.0790+0.00100.0010au

M sin(i) (Earth masses)

481.51+19.7116.84

M sin(i) (Jupiter masses)

1.5150+0.06200.0530

Eccentricity

0.0710+0.01900.0510

Epoch of Periastron

2452189.90+40.9028.50days(JD)

Argument of Periastron

112.4+49.225.6deg

Radial Velocity Semi-Amplitude

36.11+1.461.27m/s

Distance from Earth

54.2 pc (~177 ly)

Spectral Type

K1 IV

Temperature

4912 K

Mass (Solar)

1.33 M☉

Radius (Solar)

4.54 R☉

Luminosity

1.04 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

332.9639°, 16.0405°

Discovery Method

Radial Velocity

Discovery Year

2007

Data Sources

Source ID: HD 210702 b

System Context

HD 210702 b orbits HD 210702 and was reported in 2007 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 481.51 Earth masses (M sin i) and an orbital period of 355.5 days.

Catalog data places the system at about 54.2 parsecs from Earth, a host star classified as K1 IV, 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 210702