HD 128717 b
A confirmed exoplanet orbiting HD 128717.
Compared with Earth
- Mass
- About 6,293 times Earth's mass.
- Year
- A year here lasts about 9.4 Earth years.
Planet
- Radius
- Unknown
- Mass
- 6,293 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 3,420 days
- Average distance from its star
- 4.85 AU
Star
- Host star
- HD 128717
- Spectral class
- F — yellow-white
- Surface temperature
- 6,210 K
- Radius
- 1.248 × Sun
- Mass
- 1.212 × Sun
- Age
- 1.4 billion years
System
- Distance from Earth
- 240.2 light-years (73.64 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2025
- Method
- Astrometry
- Facility
- European Space Agency (ESA) Gaia Satellite
Data from the NASA Exoplanet Archive, synced October 14, 2026.