Imaginary Picture of Kepler-919 b

Display orbital revolution of Kepler-919 b around the hoststar Kepler-919
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Exoplanet Name : Kepler-919 b
Alternate Name : "2MASS J19522754+4829398 b, K01643.01, KIC 10990917 b, KOI-1643 b, KOI-1643.01, WISE J195227.54+482939.7 b"
Status : Confirmed
Radius (Rjup / Re): 0.2010 (Rjup) 2.2530 (Rearth)
Mass (Mjup / Me): 0.0177 (Mjup) 5.6154 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1017 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0302
Orbital Period(Observed/Estimated) 11.05 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.1063
Star Radiation at Atmospheric Boundary: 195818.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 938.9 (K)
Blackbody T 0.3(K) 881.7 (K)
Blackbody T 0.7(K) 713.4 (K)
Tidally Locked Blackbody T 0.1(K) 1116.5 (K)
Tidally Locked Blackbody T 0.3(K) 1048.5 (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-919
Alternate Name : "2MASS J19522754+4829398, KIC 10990917, KOI-1643, WISE J195227.54+482939.7"
Star Distance(LY) : 3655.9
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 3.0 (GY)
Temperature : 6092 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 3.3
Apparent Magnitude: 13.6
Right Ascension(RA) 298.1148
Declination (DEC) 48.4944
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 750 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-919&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-919%20b/
Kepler-919 b
Kepler-919 b

  • Kepler-919 b is an exoplanet orbiting the star Kepler-919, located about 3655.9 light-years (1120.9 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-919 has apparent magnitude of 13.6, with absolute magnitude of 3.3.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6092 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-919 b orbits around the star Kepler-919 every 11.0 days with its orbital distance of 0.10 AU ( 15213721.3 km)
  • (Projected orbit of Kepler-919 b around its host star Kepler-919)


  • The Star Kepler-919 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.880 AU ( 131701894.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.217 AU ( 182046435.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.854 AU ( 277398480.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.729 AU ( 408204016.7 km)
  • Radiation at Planetary Boundary of Kepler-919 b : 195817.97 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-919)



  • Kopparapu Recent Venus for Star Kepler-919 distance : 0.895 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-919 distance : 1.134 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-919 distance : 1.095 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-919 distance : 1.200 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-919 distance : 1.987 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-919 distance : 2.096 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-919)



  • Original Kopparapu Recent Venus for Star Kepler-919 distance : 0.902 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-919 distance : 1.164 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-919 distance : 1.194 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-919 distance : 2.022 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-919 distance : 2.103 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-919)



    (Position in Stellar Map of star Kepler-919 and its Exoplanet Kepler-919 b)



    (Zoomed position in Stellar Map of star Kepler-919 and its Exoplanet Kepler-919 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-919*)
    *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