←Back to Exoplanets
ExoplanetDetail

XO-2 S c

Host star XO-2 S • 120.1 d orbit

Records

2

archive rows

Discovery

2014

Radial Velocity

Radius

—

default parameter set

Mass

438.6 M⊕

default parameter set

XO-2 S

temperature unconstrained

Canonical Summary

Adopted planet values from the default parameter set

Values come from the archive's default parameter set. Missing values stay missing. Ranges and counts describe all source rows.

Selected source: Ruggieri et al. 2024

Host Star

XO-2 S

Stable across source rows

XO-2 S

Discovery Method

Radial Velocity

Consistent across records

Radial Velocity (2)

Discovery Year

2014

Stable across source rows

2014

Orbital Period

120.1 day

120.1 to 120.8

2 values • 2 distinct

Semi-Major Axis

0.47 au

0.47 to 0.48

2 values • 2 distinct

Mass

438.6 Mearth

435.4 to 438.6

2 values • 2 distinct

Provenance

Underlying measurements and references

Download JSONDownload CSV

Evidence Summary

Rows

2

Refs

2

Methods

1

Discoverystable

2 values • 1 distinct

Facilitystable

2 values • 1 distinct

Perioddisputed

2 values • 2 distinct

Massdisputed

2 values • 2 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2014Radial VelocityRoque de los Muchachos Observatory3.58 m Telescopio Nazionale Galileo120.1 day—438.6 Mearth—Ruggieri et al. 2024
2014Radial VelocityRoque de los Muchachos Observatory3.58 m Telescopio Nazionale Galileo120.8 day—435.4 Mearth—Desidera et al. 2014