Imaginary Picture of Kepler-780 b

Display orbital revolution of Kepler-780 b around the hoststar Kepler-780
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Exoplanet Name : Kepler-780 b
Alternate Name : "2MASS J18470393+4417331 b, K01150.01, KIC 8278371 b, KOI-1150 b, KOI-1150.01, WISE J184703.92+441733.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.0790 (Rjup) 0.8855 (Rearth)
Mass (Mjup / Me): 0.0020 (Mjup) 0.6346 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0151 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0019
Orbital Period(Observed/Estimated) 0.68 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8093
Star Radiation at Atmospheric Boundary: 6146189.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2222.3 (K)
Blackbody T 0.3(K) 2086.9 (K)
Blackbody T 0.7(K) 1688.5 (K)
Tidally Locked Blackbody T 0.1(K) 2642.7 (K)
Tidally Locked Blackbody T 0.3(K) 2481.8 (K)
Size Class: Earth-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-780
Alternate Name : "2MASS J18470393+4417331, KIC 8278371, KOI-1150, WISE J184703.92+441733.1"
Star Distance(LY) : 1520.3
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.9 (GY)
Temperature : 5718 (K)
Spectral type : G3
UV portion[%]: 7.8
Visible portion[%]: 44.7
IR portion[%]: 47.5
Metalicity : 0.1
Absolute Magnitude: 3.9
Apparent Magnitude: 12.2
Right Ascension(RA) 281.7664
Declination (DEC) 44.2925
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 665 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-780+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-780%20b/
Kepler-780 b
Kepler-780 b

  • Kepler-780 b is an exoplanet orbiting the star Kepler-780, located about 1520.3 light-years (466.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-780 has apparent magnitude of 12.2, with absolute magnitude of 3.9.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5718 with its spectral types of G3
  • In this planetary system, the extrasolar planet Kepler-780 b orbits around the star Kepler-780 every 0.7 days with its orbital distance of 0.02 AU ( 2265645.2 km)
  • (Projected orbit of Kepler-780 b around its host star Kepler-780)


  • The Star Kepler-780 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.735 AU ( 109881649.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.015 AU ( 151885155.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.547 AU ( 231439364.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.277 AU ( 340573163.8 km)
  • Radiation at Planetary Boundary of Kepler-780 b : 6146189.63 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-780)



  • Kopparapu Recent Venus for Star Kepler-780 distance : 0.764 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-780 distance : 0.968 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-780 distance : 0.934 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-780 distance : 1.025 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-780 distance : 1.711 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-780 distance : 1.805 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-780)



  • Original Kopparapu Recent Venus for Star Kepler-780 distance : 0.764 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-780 distance : 0.994 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-780 distance : 1.011 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-780 distance : 1.741 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-780 distance : 1.811 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-780)



    (Position in Stellar Map of star Kepler-780 and its Exoplanet Kepler-780 b)



    (Zoomed position in Stellar Map of star Kepler-780 and its Exoplanet Kepler-780 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-780*)
    *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