Imaginary Picture of Kepler-419 b

Display orbital revolution of Kepler-419 b around the hoststar Kepler-419
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Exoplanet Name : Kepler-419 b
Alternate Name : "KOI-1474 b, 2MASS J19414029+5111051 b, K01474.01, KIC 12365184 b, KOI-1474.01, WISE J194140.29+511105.1 b"
Radius (Rjup / Re): 0.9600 (Rjup) 10.7606 (Rearth)
Mass (Mjup / Me): 2.5000 (Mjup) 794.8450 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3700 (AU) 0.3700 (AU Est.)
Eccentricity : 0.8330
Orbital Period(Yrs) 0.1910
Orbital Period(Observed/Estimated) 69.75 (Days Obs.) 69.72 (Days Est.)
Surface Gravity (G Earth) 6.8645
Star Radiation at Atmospheric Boundary: 51387.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 672.0 (K)
Blackbody T 0.3(K) 631.1 (K)
Blackbody T 0.7(K) 510.6 (K)
Tidally Locked Blackbody T 0.1(K) 799.1 (K)
Tidally Locked Blackbody T 0.3(K) 750.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-419
Alternate Name : "KOI-1474, 2MASS J19414029+5111051, KIC 12365184, WISE J194140.29+511105.1"
Star Distance(LY) : 3396.4
Stellar Radius(Rsun) : 1.9 (Rsun Measured)
Stellar Mass(Msun) : 1.4 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 2.8 (GY)
Temperature : 6383 (K)
Spectral type : F7
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.2
Absolute Magnitude: 3.9
Apparent Magnitude: 14.0
Right Ascension(RA) 295.4179
Declination (DEC) 51.1848
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-419+&submit=SIMBAD+search
Open Exoplanet Database Link
Kepler-419 b
Kepler-419 b

  • Kepler-419 b is an exoplanet orbiting the star Kepler-419, located about 3396.4 light-years (1041.3 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-419 has apparent magnitude of 14.0, with absolute magnitude of 3.9.
  • It is 1.4 times more massive and 1.9 times bigger compared with our Sun. The surface temperature is 6383 with its spectral types of F7
  • In this planetary system, the extrasolar planet Kepler-419 b orbits around the star Kepler-419 every 69.8 days with its orbital distance of 0.37 AU ( 55351212.2 km)
  • (Projected orbit of Kepler-419 b around its host star Kepler-419)


  • The Star Kepler-419 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.641 AU ( 245463651.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.268 AU ( 339294914.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.456 AU ( 517010363.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.086 AU ( 760803398.5 km)
  • Radiation at Planetary Boundary of Kepler-419 b : 51387.74 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-419)



  • Kopparapu Recent Venus for Star Kepler-419 distance : 1.639 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-419 distance : 2.076 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-419 distance : 2.005 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-419 distance : 2.197 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-419 distance : 3.619 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-419 distance : 3.817 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-419)



  • Original Kopparapu Recent Venus for Star Kepler-419 distance : 1.663 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-419 distance : 2.129 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-419 distance : 2.201 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-419 distance : 3.684 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-419 distance : 3.831 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-419)



    (Position in Stellar Map of star Kepler-419 and its Exoplanet Kepler-419 b)



    (Zoomed position in Stellar Map of star Kepler-419 and its Exoplanet Kepler-419 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-419*)
    *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