XO-1 b
Orbiting XO-1
XO-1 b is an exoplanet orbiting the star XO-1, discovered in 2006 using the Transit method. It is a Jupiter-sized world.
Radius
12.78
Earth radii
Mass
263.80
Earth masses
Orbital Period
3.9
days
Distance
163.6
parsecs
Radius (Earth radii)
12.78
Mass (Earth masses)
263.80
Measured
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
3.942+0.000−0.000days
Planet Mass (Earth masses)
263.80+41.32−41.32
Planet Mass (Jupiter masses)
0.8300+0.1300−0.1300
Eccentricity
0.0000
Radial Velocity Semi-Amplitude
116.00+9.00−9.00m/s
Distance from Earth
163.6 pc (~533 ly)
Spectral Type
Unknown
Temperature
5750 K
Mass (Solar)
0.88 M☉
Radius (Solar)
0.88 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
240.5493°, 28.1696°
Discovery Method
Transit
Discovery Year
2006
Source ID: XO-1 b
XO-1 b orbits XO-1 and was reported in 2006 and was detected with the Transit method.
Published measurements list a radius of 12.78 Earth radii, a mass of 263.8 Earth masses, and an orbital period of 3.94 days.
Catalog data places the system at about 163.6 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 XO-1