Imaginary Picture of Kepler-462 c
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Exoplanet Name : Kepler-462 c
Alternate Name : KOI-89 c
Radius (Rjup / Re): 0.4300 (Rjup) 4.8199 (Rearth)
Mass (Mjup / Me): 0.0779 (Mjup) 24.7786 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.8594 (AU Est.)
Eccentricity : 0.5000
Orbital Period(Yrs) 0.5683
Orbital Period(Observed/Estimated) 207.58 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 31152.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 592.9 (K)
Blackbody T 0.3(K) 556.8 (K)
Blackbody T 0.7(K) 450.5 (K)
Tidally Locked Blackbody T 0.1(K) 705.1 (K)
Tidally Locked Blackbody T 0.3(K) 662.2 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : KOI-89
Alternate Name : Kepler-462
Star Distance(LY) : 1469.2
Stellar Radius(Rsun) : 2.3 (Rsun Measured)
Stellar Mass(Msun) : 2.0 (Msun Measured) 2.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 7717 (K)
Spectral type : A7
Metalicity : 0.0
Absolute Magnitude: 3.5
Apparent Magnitude: 11.7
Right Ascension(RA) 299.8208
Declination (DEC) 43.8142
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link
Kepler-462 c
Kepler-462 c

  • Kepler-462 c is an exoplanet orbiting the star KOI-89, located about 1469.2 light-years (450.5 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star KOI-89 has apparent magnitude of 11.7, with absolute magnitude of 3.5.
  • It is 2.0 times more massive and 2.3 times bigger compared with our Sun. The surface temperature is 7717 with its spectral types of A7
  • In this planetary system, the extrasolar planet Kepler-462 c orbits around the star KOI-89 every 207.6 days with its orbital distance of 0.86 AU ( 128561161.0 km)
  • (Projected orbit of Kepler-462 c around its host star KOI-89)


  • The Star KOI-89 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.967 AU ( 443897755.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 4.102 AU ( 613582702.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 6.250 AU ( 934964252.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 9.197 AU ( 1375840856.1 km)
  • Radiation at Planetary Boundary of Kepler-462 c : 31151.99 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KOI-89)



  • Kopparapu Recent Venus for Star KOI-89 distance : 2.799 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star KOI-89 distance : 3.545 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star KOI-89 distance : 3.423 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star KOI-89 distance : 3.747 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-89 distance : 6.111 AU
  • Kopparapu Outer Boundary for Early Mars for Star KOI-89 distance : 6.444 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KOI-89)



  • Original Kopparapu Recent Venus for Star KOI-89 distance : 2.907 AU
  • Original Kopparapu Runaway Greenhouse for Star KOI-89 distance : 3.621 AU
  • Original Kopparapu Moist Greenhouse for Star KOI-89 distance : 3.846 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-89 distance : 6.221 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KOI-89 distance : 6.470 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KOI-89)



    (Position in Stellar Map of star KOI-89 and its Exoplanet Kepler-462 c)



    (Zoomed position in Stellar Map of star KOI-89 and its Exoplanet Kepler-462 c (zoom level 3))