Imaginary Picture of Kepler-813 b

Display orbital revolution of Kepler-813 b around the hoststar Kepler-813
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Exoplanet Name : Kepler-813 b
Alternate Name : "2MASS J19023904+4826073 b, K01310.01, KIC 10964440 b, KOI-1310 b, KOI-1310.01, WISE J190239.04+482607.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.1910 (Rjup) 2.1409 (Rearth)
Mass (Mjup / Me): 0.0168 (Mjup) 5.3551 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1376 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0524
Orbital Period(Observed/Estimated) 19.13 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.1683
Star Radiation at Atmospheric Boundary: 157703.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 889.4 (K)
Blackbody T 0.3(K) 835.3 (K)
Blackbody T 0.7(K) 675.8 (K)
Tidally Locked Blackbody T 0.1(K) 1057.7 (K)
Tidally Locked Blackbody T 0.3(K) 993.3 (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-813
Alternate Name : "2MASS J19023904+4826073, KIC 10964440, KOI-1310, WISE J190239.04+482607.3"
Star Distance(LY) : 4075.5
Stellar Radius(Rsun) : 1.7 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.0 (GY)
Temperature : 5372 (K)
Spectral type : G3
UV portion[%]: 6.2
Visible portion[%]: 42.2
IR portion[%]: 51.6
Metalicity : -0.1
Absolute Magnitude: 3.0
Apparent Magnitude: 13.5
Right Ascension(RA) 285.6627
Declination (DEC) 48.4354
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 685 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-813&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-813%20b/
Kepler-813 b
Kepler-813 b

  • Kepler-813 b is an exoplanet orbiting the star Kepler-813, located about 4075.5 light-years (1249.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-813 has apparent magnitude of 13.5, with absolute magnitude of 3.0.
  • It is 0.9 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 5372 with its spectral types of G3
  • In this planetary system, the extrasolar planet Kepler-813 b orbits around the star Kepler-813 every 19.1 days with its orbital distance of 0.14 AU ( 20586150.3 km)
  • (Projected orbit of Kepler-813 b around its host star Kepler-813)


  • The Star Kepler-813 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.069 AU ( 159928635.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.478 AU ( 221063168.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.252 AU ( 336851347.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.313 AU ( 495691513.6 km)
  • Radiation at Planetary Boundary of Kepler-813 b : 157703.59 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-813)



  • Kopparapu Recent Venus for Star Kepler-813 distance : 1.134 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-813 distance : 1.436 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-813 distance : 1.387 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-813 distance : 1.522 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-813 distance : 2.568 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-813 distance : 2.709 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-813)



  • Original Kopparapu Recent Venus for Star Kepler-813 distance : 1.128 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-813 distance : 1.478 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-813 distance : 1.492 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-813 distance : 2.612 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-813 distance : 2.716 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-813)



    (Position in Stellar Map of star Kepler-813 and its Exoplanet Kepler-813 b)



    (Zoomed position in Stellar Map of star Kepler-813 and its Exoplanet Kepler-813 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-813*)
    *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