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XO-2 S d - NASA Science
2026-05-22 · via NASA Science

XO-2 S d is a gas giant exoplanet that orbits a G-type star. Its mass is 3.71 Jupiters, it takes 12.9 years to complete one orbit of its star, and is 5.46 AU from its star. Its discovery was announced in 2024.

Planet Radius:

1.16 x Jupiter (estimate)

Planet Type:

  • Gas Giant

Discovery Method:

  • Radial Velocity

Planet Mass:

3.71 Jupiters

Discovery Date:

2024

Orbital Radius:

5.46 AU

Orbital Period:

12.9 years

Eccentricity:

0.09

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