Imaginary Picture of Kepler-412 b

Display orbital revolution of Kepler-412 b around the hoststar Kepler-412
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Exoplanet Name : Kepler-412 b
Alternate Name : "2MASS J19042647+4340514 b, K00202.01, KIC 7877496 b, KOI-202 b, KOI-202.01, WISE J190426.48+434051.6 b"
Status : Confirmed
Radius (Rjup / Re): 1.3410 (Rjup) 15.0313 (Rearth)
Mass (Mjup / Me): 0.9410 (Mjup) 299.1797 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0290 (AU) 0.0290 (AU Est.)
Eccentricity : 0.0038
Orbital Period(Yrs) 0.0047
Orbital Period(Observed/Estimated) 1.72 (Days Obs.) 1.67 (Days Est.)
Surface Gravity (G Earth) 1.3242
Star Radiation at Atmospheric Boundary: 2876631.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1838.1 (K)
Blackbody T 0.3(K) 1726.1 (K)
Blackbody T 0.7(K) 1396.6 (K)
Tidally Locked Blackbody T 0.1(K) 2185.9 (K)
Tidally Locked Blackbody T 0.3(K) 2052.7 (K)
Size Class: Super-Jupiter-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-412
Alternate Name : "2MASS J19042647+4340514, KIC 7877496, KOI-202, WISE J190426.48+434051.6"
Star Distance(LY) : 3541.5
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 5.1 (GY)
Temperature : 5750 (K)
Spectral type : G3 V
UV portion[%]: 7.7
Visible portion[%]: 44.6
IR portion[%]: 47.6
Metalicity : 0.3
Absolute Magnitude: 3.6
Apparent Magnitude: 13.7
Right Ascension(RA) 286.1103
Declination (DEC) 43.6810
Hubble Space Telescope Guide Star Catalog (GSC) ID 03132-00543
Discovered by
Discovery Paper - Authors "M. Deleuil, J.-M. Almenara, A. Santerne, S.C.C. Barros, M. Havel, G. H_brard, A.S. Bonomo, F. Bouchy, G. Bruno, C. Damiani, R.F. D_az, G. Montagnier, C. Moutou"
Discovery Paper - Title SOPHIE velocimetry of Kepler transit candidates XI. Kepler-412 system: probing the properties of a new inflated hot Jupiter
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-412++&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-412%20b/
Kepler-412 b
Kepler-412 b

  • Kepler-412 b is an exoplanet orbiting the star Kepler-412, located about 3541.5 light-years (1085.8 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-412 has apparent magnitude of 13.7, with absolute magnitude of 3.6.
  • It is 1.2 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5750 with its spectral types of G3 V
  • In this planetary system, the extrasolar planet Kepler-412 b orbits around the star Kepler-412 every 1.7 days with its orbital distance of 0.03 AU ( 4333850.3 km)
  • (Projected orbit of Kepler-412 b around its host star Kepler-412)


  • The Star Kepler-412 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.961 AU ( 143795838.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.329 AU ( 198763427.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.025 AU ( 302871476.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.979 AU ( 445688646.0 km)
  • Radiation at Planetary Boundary of Kepler-412 b : 2876631.49 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-412)



  • Kopparapu Recent Venus for Star Kepler-412 distance : 0.998 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-412 distance : 1.264 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-412 distance : 1.221 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-412 distance : 1.338 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-412 distance : 2.233 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-412 distance : 2.356 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-412)



  • Original Kopparapu Recent Venus for Star Kepler-412 distance : 0.999 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-412 distance : 1.299 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-412 distance : 1.321 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-412 distance : 2.272 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-412 distance : 2.363 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-412)



    (Position in Stellar Map of star Kepler-412 and its Exoplanet Kepler-412 b)



    (Zoomed position in Stellar Map of star Kepler-412 and its Exoplanet Kepler-412 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-412*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102