GPX-1 b
A confirmed exoplanet orbiting GPX-1.
Compared with Earth
- Size
- About 16 times Earth's width.
- Mass
- About 6,261 times Earth's mass.
- Temperature
- About 2,027 °C (3,680 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 4,650 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 1.7 Earth days.
Planet
- Radius
- 16.48 × Earth
- Mass
- 6,261 × Earth
- Density
- 8.222 g/cm³
- Equilibrium temperature
- 2,300 K
- Starlight received
- 4,650 × Earth
- Orbital period
- 1.745 days
- Average distance from its star
- 0.0338 AU
Star
- Host star
- GPX-1
- Spectral class
- F — yellow-white
- Surface temperature
- 7,000 K
- Radius
- 1.56 × Sun
- Mass
- 1.68 × Sun
- Age
- 0.27 billion years
System
- Distance from Earth
- 2,136 light-years (655 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2021
- Method
- Transit
- Facility
- Acton Sky Portal Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.