Imaginary Picture of Kepler-1407 b

Display orbital revolution of Kepler-1407 b around the hoststar Kepler-1407
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Exoplanet Name : Kepler-1407 b
Alternate Name : "2MASS J18554618+4128177 b, K03004.01, KIC 6103377 b, KOI-3004 b, KOI-3004.01, WISE J185546.18+412817.5 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) 0.1492 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0550
Orbital Period(Observed/Estimated) 20.07 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.1063
Star Radiation at Atmospheric Boundary: 108894.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 810.8 (K)
Blackbody T 0.3(K) 761.4 (K)
Blackbody T 0.7(K) 616.0 (K)
Tidally Locked Blackbody T 0.1(K) 964.2 (K)
Tidally Locked Blackbody T 0.3(K) 905.5 (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-1407
Alternate Name : "2MASS J18554618+4128177, KIC 6103377, KOI-3004, WISE J185546.18+412817.5"
Star Distance(LY) : 4561.6
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 3.2 (GY)
Temperature : 5896 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 3.1
Apparent Magnitude: 13.8
Right Ascension(RA) 283.9424
Declination (DEC) 41.4716
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
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1407%20b/
Kepler-1407 b
Kepler-1407 b

  • Kepler-1407 b is an exoplanet orbiting the star Kepler-1407, located about 4561.6 light-years (1398.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1407 has apparent magnitude of 13.8, with absolute magnitude of 3.1.
  • It is 1.1 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5896 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-1407 b orbits around the star Kepler-1407 every 20.1 days with its orbital distance of 0.15 AU ( 22320864.0 km)
  • (Projected orbit of Kepler-1407 b around its host star Kepler-1407)


  • The Star Kepler-1407 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.963 AU ( 144093240.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.331 AU ( 199174513.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.029 AU ( 303497881.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.985 AU ( 446610428.2 km)
  • Radiation at Planetary Boundary of Kepler-1407 b : 108894.17 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1407)



  • Kopparapu Recent Venus for Star Kepler-1407 distance : 0.991 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1407 distance : 1.255 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1407 distance : 1.212 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1407 distance : 1.329 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1407 distance : 2.210 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1407 distance : 2.331 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1407)



  • Original Kopparapu Recent Venus for Star Kepler-1407 distance : 0.995 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1407 distance : 1.289 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1407 distance : 1.316 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1407 distance : 2.249 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1407 distance : 2.339 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1407)



    (Position in Stellar Map of star Kepler-1407 and its Exoplanet Kepler-1407 b)



    (Zoomed position in Stellar Map of star Kepler-1407 and its Exoplanet Kepler-1407 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1407*)
    *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