Imaginary Picture of Kepler-82 f

Display orbital revolution of Kepler-82 f around the hoststar Kepler-82
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Exoplanet Name : Kepler-82 f
Alternate Name : "2MASS J19312961+4257580 f, KIC 7366258 f, KOI-880 f, WISE J193129.62+425758.0 f"
Status : Confirmed
Radius (Rjup / Re): 0.2329 (Rjup) 2.6106 (Rearth)
Mass (Mjup / Me): 0.0658 (Mjup) 20.9076 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3395 (AU) 0.3395 (AU Est.)
Eccentricity : 0.0014
Orbital Period(Yrs) 0.2073
Orbital Period(Observed/Estimated) 75.73 (Days Obs.) 75.74 (Days Est.)
Surface Gravity (G Earth) 3.0677
Star Radiation at Atmospheric Boundary: 7481.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 415.1 (K)
Blackbody T 0.3(K) 389.8 (K)
Blackbody T 0.7(K) 315.4 (K)
Tidally Locked Blackbody T 0.1(K) 493.6 (K)
Tidally Locked Blackbody T 0.3(K) 463.6 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : TTV
Mass Detection : TTV
Radius Detection :
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) : 3026.6
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5428 (K)
Spectral type : G7
UV portion[%]: 6.5
Visible portion[%]: 42.7
IR portion[%]: 50.8
Metalicity : 0.1
Absolute Magnitude: 4.0
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
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-82+&submit=SIMBAD+search
Open Exoplanet Database Link
Kepler-82 f
Kepler-82 f

  • Kepler-82 f is an exoplanet orbiting the star Kepler-82, located about 3026.6 light-years (928.0 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star Kepler-82 has apparent magnitude of 13.9, with absolute magnitude of 4.0.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5428 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-82 f orbits around the star Kepler-82 every 75.7 days with its orbital distance of 0.34 AU ( 50788477.1 km)
  • (Projected orbit of Kepler-82 f 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 ) : 0.574 AU ( 85937022.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.794 AU ( 118787422.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.210 AU ( 181005744.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.780 AU ( 266357881.9 km)
  • Radiation at Planetary Boundary of Kepler-82 f : 7481.17 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 : 0.608 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-82 distance : 0.769 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-82 distance : 0.743 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-82 distance : 0.815 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-82 distance : 1.373 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-82 distance : 1.448 AU

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



  • Original Kopparapu Recent Venus for Star Kepler-82 distance : 0.605 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-82 distance : 0.792 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-82 distance : 0.800 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-82 distance : 1.397 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-82 distance : 1.453 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 f)



    (Zoomed position in Stellar Map of star Kepler-82 and its Exoplanet Kepler-82 f (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