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The HD 148797 System

2 planets Norma

HD 148797 is a planetary system in the constellation Norma hosting 2 confirmed exoplanets, about 562 light-years from Earth.

Size Comparison: The Planets of HD 148797

Earth1.00 R⊕b8.25 R⊕c8.36 R⊕
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HD 148797: Star and Habitable Zone

HD 148797

Spectral type
F6
Surface temperature
6,441 K (Sun: 5,772 K)
Mass
1.27 M☉
Radius
1.55 R☉
Luminosity
3.8200 L☉
Age
2.9 billion years (Sun: 4.6)
HD 148797 b HD 148797 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of HD 148797: 1.409–3.274 AU (conservative: 1.785–3.104 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 HD 148797 System

PlanetTypeOrbitRadiusESIDiscovered
HD 148797 bCold Gas Giant42 d8.25 R⊕—2026
HD 148797 cCold Gas Giant68 d8.36 R⊕—2026

Discovery History

The first planet found here, HD 148797 b, was discovered in 2026 using the transit method.

Frequently Asked Questions About HD 148797

How many planets does HD 148797 have?

HD 148797 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the HD 148797 system habitable?

None of the known planets in HD 148797 orbit within the star's habitable zone.

How far away is HD 148797?

HD 148797 is about 562 light-years from Earth in the constellation Norma.

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