HD 209458 b

HD 209458 · Radial Velocity · discovered 1999

Model from stored valuesPlanet: artist's impression ›
The planet's system, drawn from stored values.

Stored parameters

Orbital period3.5247 days
Radius1.380 Jupiter radii
Mass0.6900 Jupiter masses
Semi-major axis0.0475 AU
Distance47.00 pc
Star temperature6,092 K

Stored values from exoplanet.eu, fetched 2026-10-18. SetuHQ did not discover this planet.

Its star and other planets

Where it is

Discovery and references

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