Imaginary Picture of Kepler-405 b

Display orbital revolution of Kepler-405 b around the hoststar Kepler-405
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Exoplanet Name : Kepler-405 b
Alternate Name : "2MASS J19253826+3820240 b, K03057.02, KIC 3234843 b, KOI-3057 b, KOI-3057.02, WISE J192538.28+382024.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.1860 (Rjup) 2.0849 (Rearth)
Mass (Mjup / Me): 0.0164 (Mjup) 5.2247 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0950 (AU) 0.0950 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0291
Orbital Period(Observed/Estimated) 10.61 (Days Obs.) 11.09 (Days Est.)
Surface Gravity (G Earth) 1.2020
Star Radiation at Atmospheric Boundary: 73902.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 735.9 (K)
Blackbody T 0.3(K) 691.1 (K)
Blackbody T 0.7(K) 559.1 (K)
Tidally Locked Blackbody T 0.1(K) 875.1 (K)
Tidally Locked Blackbody T 0.3(K) 821.8 (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-405
Alternate Name : "2MASS J19253826+3820240, KIC 3234843, KOI-3057, WISE J192538.28+382024.1"
Star Distance(LY) : 3480.2
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5461 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.1
Absolute Magnitude: 4.4
Apparent Magnitude: 14.5
Right Ascension(RA) 291.4095
Declination (DEC) 38.3400
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-405+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-405%20b/
Kepler-405 b
Kepler-405 b

  • Kepler-405 b is an exoplanet orbiting the star Kepler-405, located about 3480.2 light-years (1067.0 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-405 has apparent magnitude of 14.5, with absolute magnitude of 4.4.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5461 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-405 b orbits around the star Kepler-405 every 10.6 days with its orbital distance of 0.10 AU ( 14211797.7 km)
  • (Projected orbit of Kepler-405 b around its host star Kepler-405)


  • The Star Kepler-405 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.505 AU ( 75580405.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.698 AU ( 104471872.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.064 AU ( 159192013.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.566 AU ( 234258021.7 km)
  • Radiation at Planetary Boundary of Kepler-405 b : 73902.62 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-405)



  • Kopparapu Recent Venus for Star Kepler-405 distance : 0.533 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-405 distance : 0.675 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-405 distance : 0.652 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-405 distance : 0.716 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-405 distance : 1.204 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-405 distance : 1.270 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-405)



  • Original Kopparapu Recent Venus for Star Kepler-405 distance : 0.531 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-405 distance : 0.695 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-405 distance : 0.703 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-405 distance : 1.225 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-405 distance : 1.274 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-405)



    (Position in Stellar Map of star Kepler-405 and its Exoplanet Kepler-405 b)



    (Zoomed position in Stellar Map of star Kepler-405 and its Exoplanet Kepler-405 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-405*)
    *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