PH1 b
A confirmed exoplanet orbiting PH1.
Compared with Earth
- Size
- About 6.2 times Earth's width.
- Mass
- About 169 times Earth's mass.
- Temperature
- About 208 °C (406 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 138 Earth days.
Planet
- Radius
- 6.18 × Earth
- Mass
- 169 × Earth
- Density
- Unknown
- Equilibrium temperature
- 481 K
- Starlight received
- Unknown
- Orbital period
- 138.3 days
- Average distance from its star
- 0.652 AU
Star
- Host star
- PH1
- Spectral class
- F — yellow-white
- Surface temperature
- 6,407 K
- Radius
- 1.734 × Sun
- Mass
- 1.528 × Sun
- Age
- 2 billion years
System
- Distance from Earth
- 3,370 light-years (1,033 parsecs)
- Stars in system
- 4
- Known planets
- 1
Discovery
- Year
- 2012
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.