Imaginary Picture of Kepler-802 b

Display orbital revolution of Kepler-802 b around the hoststar Kepler-802
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Exoplanet Name : Kepler-802 b
Alternate Name : "2MASS J19040380+4500279 b, K01273.01, KIC 8806072 b, KOI-1273 b, KOI-1273.01, WISE J190403.79+450027.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.3160 (Rjup) 3.5420 (Rearth)
Mass (Mjup / Me): 0.0269 (Mjup) 8.5530 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2236 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1097
Orbital Period(Observed/Estimated) 40.06 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.6817
Star Radiation at Atmospheric Boundary: 18904.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 523.3 (K)
Blackbody T 0.3(K) 491.5 (K)
Blackbody T 0.7(K) 397.7 (K)
Tidally Locked Blackbody T 0.1(K) 622.4 (K)
Tidally Locked Blackbody T 0.3(K) 584.5 (K)
Size Class: 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-802
Alternate Name : "2MASS J19040380+4500279, KIC 8806072, KOI-1273, WISE J190403.79+450027.9"
Star Distance(LY) : 2545.0
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.7 (GY)
Temperature : 5679 (K)
Spectral type : G7
UV portion[%]: 6.9
Visible portion[%]: 43.3
IR portion[%]: 49.8
Metalicity : 0.1
Absolute Magnitude: 4.1
Apparent Magnitude: 13.6
Right Ascension(RA) 286.0159
Declination (DEC) 45.0078
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 674 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-802&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-802%20b/
Kepler-802 b
Kepler-802 b

  • Kepler-802 b is an exoplanet orbiting the star Kepler-802, located about 2545.0 light-years (780.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-802 has apparent magnitude of 13.6, 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 5679 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-802 b orbits around the star Kepler-802 every 40.1 days with its orbital distance of 0.22 AU ( 33457320.3 km)
  • (Projected orbit of Kepler-802 b around its host star Kepler-802)


  • The Star Kepler-802 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.602 AU ( 89992227.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.832 AU ( 124392776.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.267 AU ( 189547062.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.865 AU ( 278926806.3 km)
  • Radiation at Planetary Boundary of Kepler-802 b : 18904.58 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-802)



  • Kopparapu Recent Venus for Star Kepler-802 distance : 0.627 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-802 distance : 0.794 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-802 distance : 0.767 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-802 distance : 0.841 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-802 distance : 1.406 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-802 distance : 1.483 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-802)



  • Original Kopparapu Recent Venus for Star Kepler-802 distance : 0.627 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-802 distance : 0.816 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-802 distance : 0.829 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-802 distance : 1.431 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-802 distance : 1.488 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-802)



    (Position in Stellar Map of star Kepler-802 and its Exoplanet Kepler-802 b)



    (Zoomed position in Stellar Map of star Kepler-802 and its Exoplanet Kepler-802 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-802*)
    *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