WASP-77 A b

A confirmed exoplanet orbiting WASP-77 A.

Compared with Earth

Mass
About 529 times Earth's mass.
Year
A year here lasts about 1.4 Earth days.

Planet

Radius
Unknown
Mass
529.3 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
1.36 days
Average distance from its star
0.02323 AU

Star

Host star
WASP-77 A
Spectral class
G — sun-like
Surface temperature
5,617 K
Radius
0.91 × Sun
Mass
0.903 × Sun
Age
6.2 billion years

System

Distance from Earth
343 light-years (105.2 parsecs)
Stars in system
2
Known planets
1

Discovery

Year
2012
Method
Transit
Facility
SuperWASP

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