Imaginary Picture of Kepler-346 c
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Exoplanet Name : Kepler-346 c
Alternate Name :
Radius (Rjup / Re): 0.2740 (Rjup) 3.0713 (Rearth)
Mass (Mjup / Me): 0.0236 (Mjup) 7.4906 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1680 (AU) 0.1680 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0653
Orbital Period(Observed/Estimated) 23.85 (Days Obs.) 25.54 (Days Est.)
Star Radiation at Atmospheric Boundary: 31674.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 595.4 (K)
Blackbody T 0.3(K) 559.2 (K)
Blackbody T 0.7(K) 452.4 (K)
Tidally Locked Blackbody T 0.1(K) 708.1 (K)
Tidally Locked Blackbody T 0.3(K) 665.0 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-346
Alternate Name :
Star Distance(LY) : 3211.8
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5511 (K)
Spectral type : G0
Metalicity : -0.0
Absolute Magnitude: 4.0
Apparent Magnitude: 14.0
Right Ascension(RA) 288.0119
Declination (DEC) 46.1176
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-346+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-346%20c/
Kepler-346 c
Kepler-346 c

  • Kepler-346 c is an exoplanet orbiting the star Kepler-346, located about 3211.8 light-years (984.7 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-346 has apparent magnitude of 14.0, with absolute magnitude of 4.0.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5511 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-346 c orbits around the star Kepler-346 every 23.9 days with its orbital distance of 0.17 AU ( 25132442.3 km)
  • (Projected orbit of Kepler-346 c around its host star Kepler-346)


  • The Star Kepler-346 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.585 AU ( 87502547.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.809 AU ( 120951387.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.232 AU ( 184303147.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.813 AU ( 271210155.9 km)
  • Radiation at Planetary Boundary of Kepler-346 c : 31674.62 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-346)



  • Kopparapu Recent Venus for Star Kepler-346 distance : 0.616 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-346 distance : 0.780 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-346 distance : 0.753 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-346 distance : 0.826 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-346 distance : 1.388 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-346 distance : 1.464 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-346)



  • Original Kopparapu Recent Venus for Star Kepler-346 distance : 0.614 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-346 distance : 0.802 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-346 distance : 0.812 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-346 distance : 1.412 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-346 distance : 1.468 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-346)



    (Position in Stellar Map of star Kepler-346 and its Exoplanet Kepler-346 c)



    (Zoomed position in Stellar Map of star Kepler-346 and its Exoplanet Kepler-346 c (zoom level 3))