HD 128717 b · Asteria Star

Scientific overview

HD 128717 b is a gas giant orbiting HD 128717, completing an orbit every 3420 days, about 240 light-years from Earth. It was discovered in 2025 using the astrometry.

Host star

HD 128717

Temperature

6,210 K

Mass

1.212 M☉

Discovery and detection

Detection method

Astrometry

Discovery year

2025

Discovered at

Gaia

Knowledge connections

OrbitsHD 128717
Discovered by methodAstrometry
Discovered by missionGaia
Catalogued inNASA Exoplanet Archive

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