Imaginary Picture of Kepler-816 b

Display orbital revolution of Kepler-816 b around the hoststar Kepler-816
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Exoplanet Name : Kepler-816 b
Alternate Name : "2MASS J19332708+3912448 b, K01320.01, KIC 4164994 b, KOI-1320 b, KOI-1320.01"
Status : Confirmed
Radius (Rjup / Re): 0.9140 (Rjup) 10.2450 (Rearth)
Mass (Mjup / Me): 0.7485 (Mjup) 237.9632 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0906 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0288
Orbital Period(Observed/Estimated) 10.51 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 2.2672
Star Radiation at Atmospheric Boundary: 67339.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 719.0 (K)
Blackbody T 0.3(K) 675.2 (K)
Blackbody T 0.7(K) 546.3 (K)
Tidally Locked Blackbody T 0.1(K) 855.0 (K)
Tidally Locked Blackbody T 0.3(K) 802.9 (K)
Size Class: Jupiter-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-816
Alternate Name : "2MASS J19332708+3912448, KIC 4164994, KOI-1320"
Star Distance(LY) : 3212.8
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.2 (GY)
Temperature : 5124 (K)
Spectral type : K0
UV portion[%]: 4.1
Visible portion[%]: 38.9
IR portion[%]: 57.0
Metalicity : 0.2
Absolute Magnitude: 4.5
Apparent Magnitude: 14.4
Right Ascension(RA) 293.3628
Declination (DEC) 39.2125
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 688 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-816&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-816%20b/
Kepler-816 b
Kepler-816 b

  • Kepler-816 b is an exoplanet orbiting the star Kepler-816, located about 3212.8 light-years (985.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-816 has apparent magnitude of 14.4, with absolute magnitude of 4.5.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5124 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-816 b orbits around the star Kepler-816 every 10.5 days with its orbital distance of 0.09 AU ( 13560023.7 km)
  • (Projected orbit of Kepler-816 b around its host star Kepler-816)


  • The Star Kepler-816 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.460 AU ( 68837466.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.636 AU ( 95151367.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.969 AU ( 144989627.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.426 AU ( 213358588.3 km)
  • Radiation at Planetary Boundary of Kepler-816 b : 67339.25 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-816)



  • Kopparapu Recent Venus for Star Kepler-816 distance : 0.495 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-816 distance : 0.626 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-816 distance : 0.605 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-816 distance : 0.664 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-816 distance : 1.130 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-816 distance : 1.192 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-816)



  • Original Kopparapu Recent Venus for Star Kepler-816 distance : 0.490 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-816 distance : 0.645 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-816 distance : 0.649 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-816 distance : 1.149 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-816 distance : 1.195 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-816)



    (Position in Stellar Map of star Kepler-816 and its Exoplanet Kepler-816 b)



    (Zoomed position in Stellar Map of star Kepler-816 and its Exoplanet Kepler-816 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-816*)
    *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