Exoplanet

HD 196885 A b

Orbiting HD 196885 A

Overview

HD 196885 A b is an exoplanet orbiting the star HD 196885 A, discovered in 2007 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

819.97

Earth masses

0500 M⊕

Orbital Period

1333.0

days

0.1d10,000d

Distance

34.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

819.97

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Fischer et al. 2009

Orbital Period

1333.000+15.00015.000days

Semi-Major Axis

2.3700+0.02000.0200au

M sin(i) (Earth masses)

819.97+50.8550.85

M sin(i) (Jupiter masses)

2.5800+0.16000.1600

Eccentricity

0.4800+0.06000.0600

Epoch of Periastron

2451992.00+12.0012.00days

Argument of Periastron

78.0+7.67.6deg

Radial Velocity Semi-Amplitude

53.90+3.703.70m/s

Distance from Earth

34.2 pc (~111 ly)

Spectral Type

Unknown

Temperature

6254 K

Mass (Solar)

1.28 M☉

Radius (Solar)

1.31 R☉

Luminosity

0.38 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

309.9665°, 11.2500°

Discovery Method

Radial Velocity

Discovery Year

2007

Data Sources

Source ID: HD 196885 A b

System Context

HD 196885 A b orbits HD 196885 A and was reported in 2007 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 819.97 Earth masses (M sin i) and an orbital period of 1,333 days.

Catalog data places the system at about 34.2 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 196885 A