Exoplanet

XO-2 N b

Orbiting XO-2 N

Overview

XO-2 N b is an exoplanet orbiting the star XO-2 N, discovered in 2007 using the Transit method.

Key Measurements

Minimum Mass (M sin i)

188.79

Earth masses

0500 M⊕

Orbital Period

2.6

days

0.1d10,000d

Distance

154.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

188.79

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Ruggieri et al. 2024

Orbital Period

2.616+0.0000.000days

Semi-Major Axis

0.0367+0.00060.0006au

M sin(i) (Earth masses)

188.79+6.996.99

M sin(i) (Jupiter masses)

0.5940+0.02200.0220

Eccentricity

0.0000

Epoch of Periastron

2458843.22+0.000.00days(BJD)

Argument of Periastron

90.0deg

Radial Velocity Semi-Amplitude

90.00+1.001.00m/s

Distance from Earth

154.3 pc (~503 ly)

Spectral Type

G8 V

Temperature

5290 K

Mass (Solar)

0.96 M☉

Radius (Solar)

1.00 R☉

Luminosity

Unknown

Planets in System

4

Stars in System

2

Coordinates (RA, Dec)

117.0268°, 50.2251°

Discovery Method

Transit

Discovery Year

2007

Data Sources

Source ID: XO-2 N b

System Context

XO-2 N b orbits XO-2 N and was reported in 2007 and was detected with the Transit method.

Published measurements list a minimum mass of 188.79 Earth masses (M sin i) and an orbital period of 2.62 days.

Catalog data places the system at about 154.3 parsecs from Earth, a host star classified as G8 V, and 4 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open XO-2 N