HIP 78530 b

A confirmed exoplanet orbiting HIP 78530.

Compared with Earth

Mass
About 7,300 times Earth's mass.
Temperature
About 2,427 °C (4,400 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.

Planet

Radius
Unknown
Mass
7,300 × Earth
Density
Unknown
Equilibrium temperature
2,700 K
Starlight received
Unknown
Orbital period
Unknown
Average distance from its star
740 AU

Star

Host star
HIP 78530
Spectral class
B — blue-white
Surface temperature
10,500 K
Radius
Unknown
Mass
2.5 × Sun
Age
0.005 billion years

System

Distance from Earth
446 light-years (136.8 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2010
Method
Imaging
Facility
Gemini Observatory

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