Exoplanet
HD 128717 b
Orbiting HD 128717
Overview
HD 128717 b is an exoplanet orbiting the star HD 128717, discovered in 2025 using the Astrometry method.
Key Measurements
Mass
6293.00
Earth masses
0500 M⊕
Orbital Period
3420.0
days
0.1d10,000d
Distance
73.6
parsecs
Nearby10,000 pc
Radius (Earth radii)
Unknown
Mass (Earth masses)
6293.00
Measured
Equilibrium Temperature
Unknown
Orbital Period
3420.00 days
Distance from Earth
73.6 pc (~240 ly)
Spectral Type
Unknown
Temperature
6210 K
Mass (Solar)
1.21 M☉
Radius (Solar)
1.25 R☉
Luminosity
0.32 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
219.0882°, 57.5610°
Discovery Method
Astrometry
Discovery Year
2025
Data Sources
Source ID: HD 128717 b