XO-2 S b · Asteria Star

Scientific overview

XO-2 S b is a gas giant orbiting XO-2 S, completing an orbit every 18 days, about 494 light-years from Earth. It was discovered in 2014 using the radial velocity method.

Host star

XO-2 S

Spectral type

G8 V

Temperature

5,325 K

Mass

0.98 M☉

Planetary system — XO-2 S system

View the XO-2 S system (3 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
XO-2 S bRadial Velocity · 2014	Gas giant	10.9	18.22	494
XO-2 S cRadial Velocity · 2014	Gas giant	13.6	120	494
XO-2 S dRadial Velocity · 2024	Gas giant	13	4696	494

Discovery and detection

Detection method

Radial Velocity Method

Discovery year

2014

Discovered at

Roque de los Muchachos Observatory

Knowledge connections

OrbitsXO-2 S
Member of systemXO-2 S system
Discovered by methodRadial Velocity Method
Discovered atRoque de los Muchachos Observatory
Catalogued inNASA Exoplanet Archive

Loading…