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The nu Oph System

2 planets Ophiuchus

nu Oph is a planetary system in the constellation Ophiuchus hosting 2 confirmed exoplanets, about 151 light-years from Earth.

nu Oph: Star and Habitable Zone

nu Oph

Spectral type
K0 III
Surface temperature
4,887 K (Sun: 5,772 K)
Mass
2.61 M☉
Radius
12.24 R☉
Luminosity
78.4802 L☉
nu Oph b nu Oph c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of nu Oph: 6.975–16.942 AU (conservative: 8.835–16.063 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 nu Oph System

PlanetTypeOrbitRadiusESIDiscovered
nu Oph b530 d0.112012
nu Oph c3,181 d0.342012

Discovery History

The first planet found here, nu Oph b, was discovered in 2012 using the radial velocity method.

Frequently Asked Questions About nu Oph

How many planets does nu Oph have?

nu Oph has 2 confirmed exoplanets. More may await discovery.

Are any planets in the nu Oph system habitable?

None of the known planets in nu Oph orbit within the star's habitable zone.

How far away is nu Oph?

nu Oph is about 151 light-years from Earth in the constellation Ophiuchus.

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Explore the nu Oph system in the app

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