WASP-89 b
A confirmed exoplanet orbiting WASP-89.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 1,875 times Earth's mass.
- Temperature
- About 847 °C (1,556 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 3.4 Earth days.
Planet
- Radius
- 11.66 × Earth
- Mass
- 1,875 × Earth
- Density
- 7 g/cm³
- Equilibrium temperature
- 1,120 K
- Starlight received
- Unknown
- Orbital period
- 3.356 days
- Average distance from its star
- 0.0427 AU
Star
- Host star
- WASP-89
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,130 K
- Radius
- 0.88 × Sun
- Mass
- 0.92 × Sun
- Age
- 1.3 billion years
System
- Distance from Earth
- 948.9 light-years (290.9 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2015
- Method
- Transit
- Facility
- SuperWASP
Data from the NASA Exoplanet Archive, synced October 14, 2026.