HD 190647 b

A confirmed exoplanet orbiting HD 190647.

Compared with Earth

Mass
About 631 times Earth's mass.
Year
A year here lasts about 3.2 Earth years.

Planet

Radius
Unknown
Mass
630.9 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
1,176 days
Average distance from its star
2.231 AU

Star

Host star
HD 190647
Spectral class
G — sun-like
Surface temperature
5,656 K
Radius
1.376 × Sun
Mass
1.069 × Sun
Age
7.957 billion years

System

Distance from Earth
177.7 light-years (54.47 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2007
Method
Radial Velocity
Facility
La Silla Observatory

Data from the NASA Exoplanet Archive, synced October 14, 2026.