Imaginary Picture of Kepler-1428 b

Display orbital revolution of Kepler-1428 b around the hoststar Kepler-1428
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Exoplanet Name : Kepler-1428 b
Alternate Name : "2MASS J19503414+4935419 b, K03109.01, KIC 11572193 b, KOI-3109 b, KOI-3109.01, WISE J195034.14+493541.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.1460 (Rjup) 1.6365 (Rearth)
Mass (Mjup / Me): 0.0131 (Mjup) 4.1712 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1030 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0292
Orbital Period(Observed/Estimated) 10.68 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.5575
Star Radiation at Atmospheric Boundary: 1179574.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1470.9 (K)
Blackbody T 0.3(K) 1381.3 (K)
Blackbody T 0.7(K) 1117.6 (K)
Tidally Locked Blackbody T 0.1(K) 1749.2 (K)
Tidally Locked Blackbody T 0.3(K) 1642.7 (K)
Size Class: super-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-1428
Alternate Name : "2MASS J19503414+4935419, KIC 11572193, KOI-3109, WISE J195034.14+493541.9"
Star Distance(LY) : 4989.3
Stellar Radius(Rsun) : 2.6 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 2.0 (GY)
Temperature : 6285 (K)
Spectral type : F8
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.3
Absolute Magnitude: 1.5
Apparent Magnitude: 12.4
Right Ascension(RA) 297.6423
Declination (DEC) 49.5950
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-1428+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1428%20b/
Kepler-1428 b
Kepler-1428 b

  • Kepler-1428 b is an exoplanet orbiting the star Kepler-1428, located about 4989.3 light-years (1529.7 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1428 has apparent magnitude of 12.4, with absolute magnitude of 1.5.
  • It is 1.3 times more massive and 2.6 times bigger compared with our Sun. The surface temperature is 6285 with its spectral types of F8
  • In this planetary system, the extrasolar planet Kepler-1428 b orbits around the star Kepler-1428 every 10.7 days with its orbital distance of 0.10 AU ( 15412611.8 km)
  • (Projected orbit of Kepler-1428 b around its host star Kepler-1428)


  • The Star Kepler-1428 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.189 AU ( 327468263.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.026 AU ( 452646717.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.611 AU ( 689733427.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.785 AU ( 1014972953.4 km)
  • Radiation at Planetary Boundary of Kepler-1428 b : 1179574.47 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1428)



  • Kopparapu Recent Venus for Star Kepler-1428 distance : 2.200 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1428 distance : 2.786 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1428 distance : 2.691 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1428 distance : 2.949 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1428 distance : 4.864 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1428 distance : 5.130 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1428)



  • Original Kopparapu Recent Venus for Star Kepler-1428 distance : 2.227 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1428 distance : 2.858 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1428 distance : 2.946 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1428 distance : 4.952 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1428 distance : 5.150 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1428)



    (Position in Stellar Map of star Kepler-1428 and its Exoplanet Kepler-1428 b)



    (Zoomed position in Stellar Map of star Kepler-1428 and its Exoplanet Kepler-1428 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1428*)
    *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