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☉
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
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.