Imaginary Picture of Kepler-1427 b

Display orbital revolution of Kepler-1427 b around the hoststar Kepler-1427
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Exoplanet Name : Kepler-1427 b
Alternate Name : "2MASS J19412392+4506523 b, K03106.01, KIC 8895758 b, KOI-3106 b, KOI-3106.01, WISE J194123.91+450652.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.0980 (Rjup) 1.0985 (Rearth)
Mass (Mjup / Me): 0.0043 (Mjup) 1.3709 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0192 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0027
Orbital Period(Observed/Estimated) 0.97 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.1361
Star Radiation at Atmospheric Boundary: 3927630.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1986.9 (K)
Blackbody T 0.3(K) 1865.9 (K)
Blackbody T 0.7(K) 1509.7 (K)
Tidally Locked Blackbody T 0.1(K) 2362.8 (K)
Tidally Locked Blackbody T 0.3(K) 2218.9 (K)
Size Class: Earth-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-1427
Alternate Name : "2MASS J19412392+4506523, KIC 8895758, KOI-3106, WISE J194123.91+450652.3"
Star Distance(LY) : 3225.4
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.1 (GY)
Temperature : 5866 (K)
Spectral type : G2
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 4.2
Apparent Magnitude: 14.1
Right Ascension(RA) 295.3497
Declination (DEC) 45.1145
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. Batalha2"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 428 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1427+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1427%20b/
Kepler-1427 b
Kepler-1427 b

  • Kepler-1427 b is an exoplanet orbiting the star Kepler-1427, located about 3225.4 light-years (988.9 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1427 has apparent magnitude of 14.1, with absolute magnitude of 4.2.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5866 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-1427 b orbits around the star Kepler-1427 every 1.0 days with its orbital distance of 0.02 AU ( 2876382.6 km)
  • (Projected orbit of Kepler-1427 b around its host star Kepler-1427)


  • The Star Kepler-1427 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.745 AU ( 111517295.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.030 AU ( 154146045.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.570 AU ( 234884461.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.310 AU ( 345642774.5 km)
  • Radiation at Planetary Boundary of Kepler-1427 b : 3927629.97 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1427)



  • Kopparapu Recent Venus for Star Kepler-1427 distance : 0.769 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1427 distance : 0.973 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1427 distance : 0.940 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1427 distance : 1.030 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1427 distance : 1.715 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1427 distance : 1.809 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1427)



  • Original Kopparapu Recent Venus for Star Kepler-1427 distance : 0.771 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1427 distance : 1.000 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1427 distance : 1.020 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1427 distance : 1.745 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1427 distance : 1.815 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1427)



    (Position in Stellar Map of star Kepler-1427 and its Exoplanet Kepler-1427 b)



    (Zoomed position in Stellar Map of star Kepler-1427 and its Exoplanet Kepler-1427 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1427*)
    *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