MASCARA-1 b
A confirmed exoplanet orbiting MASCARA-1.
Compared with Earth
- Size
- About 18 times Earth's width.
- Temperature
- About 2,321 °C (4,210 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 2.1 Earth days.
Planet
- Radius
- 17.9 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 2,594 K
- Starlight received
- Unknown
- Orbital period
- 2.149 days
- Average distance from its star
- 0.04035 AU
Star
- Host star
- MASCARA-1
- Spectral class
- A — white
- Surface temperature
- 7,490 K
- Radius
- 2.082 × Sun
- Mass
- 1.9 × Sun
- Age
- 0.8 billion years
System
- Distance from Earth
- 594.5 light-years (182.3 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2017
- Method
- Transit
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.