Imaginary Picture of Kepler-680 b

Display orbital revolution of Kepler-680 b around the hoststar Kepler-680
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Exoplanet Name : Kepler-680 b
Alternate Name : "2MASS J19262937+5037056 b, K00786.01, KIC 12110942 b, KOI-786 b, KOI-786.01, WISE J192629.37+503705.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.2160 (Rjup) 2.4211 (Rearth)
Mass (Mjup / Me): 0.0189 (Mjup) 6.0042 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0479 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0101
Orbital Period(Observed/Estimated) 3.69 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.0243
Star Radiation at Atmospheric Boundary: 924789.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1384.1 (K)
Blackbody T 0.3(K) 1299.8 (K)
Blackbody T 0.7(K) 1051.7 (K)
Tidally Locked Blackbody T 0.1(K) 1645.9 (K)
Tidally Locked Blackbody T 0.3(K) 1545.7 (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-680
Alternate Name : "2MASS J19262937+5037056, KIC 12110942, KOI-786, WISE J192629.37+503705.5"
Star Distance(LY) : 4876.1
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 3.7 (GY)
Temperature : 5888 (K)
Spectral type : G1
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 3.1
Apparent Magnitude: 14.0
Right Ascension(RA) 291.6224
Declination (DEC) 50.6182
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 582 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-680+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-680%20b/
Kepler-680 b
Kepler-680 b

  • Kepler-680 b is an exoplanet orbiting the star Kepler-680, located about 4876.1 light-years (1495.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-680 has apparent magnitude of 14.0, with absolute magnitude of 3.1.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5888 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-680 b orbits around the star Kepler-680 every 3.7 days with its orbital distance of 0.05 AU ( 7172738.1 km)
  • (Projected orbit of Kepler-680 b around its host star Kepler-680)


  • The Star Kepler-680 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.902 AU ( 134938762.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.247 AU ( 186520633.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.900 AU ( 284216168.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.796 AU ( 418236542.2 km)
  • Radiation at Planetary Boundary of Kepler-680 b : 924789.53 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-680)



  • Kopparapu Recent Venus for Star Kepler-680 distance : 0.929 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-680 distance : 1.176 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-680 distance : 1.136 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-680 distance : 1.245 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-680 distance : 2.071 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-680 distance : 2.184 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-680)



  • Original Kopparapu Recent Venus for Star Kepler-680 distance : 0.932 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-680 distance : 1.208 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-680 distance : 1.233 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-680 distance : 2.108 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-680 distance : 2.192 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-680)



    (Position in Stellar Map of star Kepler-680 and its Exoplanet Kepler-680 b)



    (Zoomed position in Stellar Map of star Kepler-680 and its Exoplanet Kepler-680 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-680*)
    *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