Imaginary Picture of Kepler-82 b

Display orbital revolution of Kepler-82 b around the hoststar Kepler-82
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Exoplanet Name : Kepler-82 b
Alternate Name : "KOI-880 b, 2MASS J19312961+4257580 b, K00880.01, KIC 7366258 b, KOI-880.01, WISE J193129.62+425758.0 b"
Status : Confirmed
Radius (Rjup / Re): 0.3630 (Rjup) 4.0689 (Rearth)
Mass (Mjup / Me): 0.0382 (Mjup) 12.1548 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1683 (AU) 0.1683 (AU Est.)
Eccentricity : 0.0033
Orbital Period(Yrs) 0.0724
Orbital Period(Observed/Estimated) 26.44 (Days Obs.) 26.44 (Days Est.)
Surface Gravity (G Earth) 0.7342
Star Radiation at Atmospheric Boundary: 26868.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 571.4 (K)
Blackbody T 0.3(K) 536.6 (K)
Blackbody T 0.7(K) 434.2 (K)
Tidally Locked Blackbody T 0.1(K) 679.5 (K)
Tidally Locked Blackbody T 0.3(K) 638.2 (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 : Kepler-82
Alternate Name : "KOI-880, KIC 7366258, 2MASS J19312961+4257580 , 2MASS J19312961+4257580, WISE J193129.62+425758.0"
Star Distance(LY) : 2950.2
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5401 (K)
Spectral type : G7
UV portion[%]: 6.4
Visible portion[%]: 42.4
IR portion[%]: 51.2
Metalicity : 0.1
Absolute Magnitude: 4.1
Apparent Magnitude: 13.9
Right Ascension(RA) 292.8734
Declination (DEC) 42.9661
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-82+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-82%20b/
Kepler-82 b
Kepler-82 b
  • Kepler-82 b is an exoplanet orbiting the star Kepler-82, located about 2950.2 light-years (904.5 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star Kepler-82 has apparent magnitude of 13.9, with absolute magnitude of 4.1.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5401 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-82 b orbits around the star Kepler-82 every 26.4 days with its orbital distance of 0.17 AU ( 25177321.6 km)
    • (Projected orbit of Kepler-82 b around its host star Kepler-82)


  • The Star Kepler-82 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.540 AU ( 80735462.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.746 AU ( 111597507.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.137 AU ( 170049905.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.673 AU ( 250235885.5 km)
  • Radiation at Planetary Boundary of Kepler-82 b : 26868.85 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-82)



  • Kopparapu Recent Venus for Star Kepler-82 distance : 0.572 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-82 distance : 0.724 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-82 distance : 0.699 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-82 distance : 0.767 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-82 distance : 1.293 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-82 distance : 1.364 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-82)



  • Original Kopparapu Recent Venus for Star Kepler-82 distance : 0.569 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-82 distance : 0.745 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-82 distance : 0.752 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-82 distance : 1.315 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-82 distance : 1.368 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-82)



    (Position in Stellar Map of star Kepler-82 and its Exoplanet Kepler-82 b)



    (Zoomed position in Stellar Map of star Kepler-82 and its Exoplanet Kepler-82 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-82*)
    *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