Exoplanet

xi Aql b

Orbiting xi Aql

Overview

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

Key Measurements

Minimum Mass (M sin i)

616.90

Earth masses

0500 M⊕

Orbital Period

137.0

days

0.1d10,000d

Distance

56.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

616.90

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Teng et al. 2023

Orbital Period

136.970+0.1100.180days

Semi-Major Axis

0.6250+0.00000.0010au

M sin(i) (Earth masses)

616.90+28.9256.89

M sin(i) (Jupiter masses)

1.9410+0.09100.1790

Eccentricity

0.0590+0.08700.0370

Epoch of Periastron

2453001.00+46.702.10days(JD)

Argument of Periastron

0.0+106.42.3deg

Radial Velocity Semi-Amplitude

53.07+2.694.72m/s

Distance from Earth

56.2 pc (~183 ly)

Spectral Type

K0 III

Temperature

4841 K

Mass (Solar)

1.74 M☉

Radius (Solar)

10.86 R☉

Luminosity

1.77 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

298.5624°, 8.4611°

Discovery Method

Radial Velocity

Discovery Year

2007

Data Sources

Source ID: xi Aql b

System Context

xi Aql b orbits xi Aql and was reported in 2007 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 616.9 Earth masses (M sin i) and an orbital period of 136.97 days.

Catalog data places the system at about 56.2 parsecs from Earth, a host star classified as K0 III, 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 xi Aql