Imaginary Picture of Kepler-1423 b

Display orbital revolution of Kepler-1423 b around the hoststar Kepler-1423
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Exoplanet Name : Kepler-1423 b
Alternate Name : "2MASS J19125850+4106362 b, K03071.01, KIC 5865654 b, KOI-3071 b, KOI-3071.01, WISE J191258.50+410636.2 b"
Status : Confirmed
Radius (Rjup / Re): 0.0950 (Rjup) 1.0649 (Rearth)
Mass (Mjup / Me): 0.0039 (Mjup) 1.2258 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1503 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0656
Orbital Period(Observed/Estimated) 23.96 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.0811
Star Radiation at Atmospheric Boundary: 108508.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 810.0 (K)
Blackbody T 0.3(K) 760.7 (K)
Blackbody T 0.7(K) 615.5 (K)
Tidally Locked Blackbody T 0.1(K) 963.3 (K)
Tidally Locked Blackbody T 0.3(K) 904.6 (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-1423
Alternate Name : "2MASS J19125850+4106362, KIC 5865654, KOI-3071, WISE J191258.50+410636.2"
Star Distance(LY) : 2938.1
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 4.7 (GY)
Temperature : 5011 (K)
Spectral type : K2
UV portion[%]: 2.9
Visible portion[%]: 36.5
IR portion[%]: 60.6
Metalicity : -0.0
Absolute Magnitude: 3.2
Apparent Magnitude: 13.0
Right Ascension(RA) 288.2438
Declination (DEC) 41.1101
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-1423+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1423%20b/
Kepler-1423 b
Kepler-1423 b

  • Kepler-1423 b is an exoplanet orbiting the star Kepler-1423, located about 2938.1 light-years (900.8 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1423 has apparent magnitude of 13.0, with absolute magnitude of 3.2.
  • It is 0.8 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 5011 with its spectral types of K2
  • In this planetary system, the extrasolar planet Kepler-1423 b orbits around the star Kepler-1423 every 24.0 days with its orbital distance of 0.15 AU ( 22491045.5 km)
  • (Projected orbit of Kepler-1423 b around its host star Kepler-1423)


  • The Star Kepler-1423 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.969 AU ( 144934186.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.339 AU ( 200336921.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.041 AU ( 305269134.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.003 AU ( 449216903.9 km)
  • Radiation at Planetary Boundary of Kepler-1423 b : 108508.01 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1423)



  • Kopparapu Recent Venus for Star Kepler-1423 distance : 1.047 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1423 distance : 1.326 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1423 distance : 1.281 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1423 distance : 1.406 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1423 distance : 2.403 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1423 distance : 2.534 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1423)



  • Original Kopparapu Recent Venus for Star Kepler-1423 distance : 1.037 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1423 distance : 1.367 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1423 distance : 1.372 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1423 distance : 2.443 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1423 distance : 2.541 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1423)



    (Position in Stellar Map of star Kepler-1423 and its Exoplanet Kepler-1423 b)



    (Zoomed position in Stellar Map of star Kepler-1423 and its Exoplanet Kepler-1423 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1423*)
    *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