The HAT-P-2 System
HAT-P-2 is a planetary system in the constellation Hercules hosting 2 confirmed exoplanets, about 417 light-years from Earth.
HAT-P-2: Star and Habitable Zone
HAT-P-2
- Spectral type
- F8
- Surface temperature
- 6,380 K (Sun: 5,772 K)
- Mass
- 1.33 M☉
- Radius
- 1.39 R☉
- Luminosity
- 3.3884 L☉
- Age
- 1.4 billion years (Sun: 4.6)
Habitable zone of HAT-P-2: 1.332–3.098 AU (conservative: 1.687–2.937 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 2 Planets in the HAT-P-2 System
Discovery History
The first planet found here, HAT-P-2 b, was discovered in 2007 using the transit method. The most recent addition, HAT-P-2 c, followed in 2023.
Frequently Asked Questions About HAT-P-2
How many planets does HAT-P-2 have?
HAT-P-2 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HAT-P-2 system habitable?
None of the known planets in HAT-P-2 orbit within the star's habitable zone.
How far away is HAT-P-2?
HAT-P-2 is about 417 light-years from Earth in the constellation Hercules.
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