HAT-P-19 b
A confirmed exoplanet orbiting HAT-P-19.
Compared with Earth
- Size
- About 11 times Earth's width.
- Mass
- About 88 times Earth's mass.
- Temperature
- About 708 °C (1,306 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 154 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 4 Earth days.
Planet
- Radius
- 11.3 × Earth
- Mass
- 88.04 × Earth
- Density
- 0.335 g/cm³
- Equilibrium temperature
- 981.2 K
- Starlight received
- 154 × Earth
- Orbital period
- 4.009 days
- Average distance from its star
- 0.04599 AU
Star
- Host star
- HAT-P-19
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,962 K
- Radius
- 0.773 × Sun
- Mass
- 0.807 × Sun
- Age
- 7.2 billion years
System
- Distance from Earth
- 659.1 light-years (202.1 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2010
- Method
- Transit
- Facility
- HATNet
Data from the NASA Exoplanet Archive, synced October 14, 2026.