Imaginary Picture of Kepler-1786 b

Display orbital revolution of Kepler-1786 b around the hoststar Kepler-1786
/
Exoplanet Name : Kepler-1786 b
Alternate Name : "KOI-2043 b, KOI-2043.01"
Status : Confirmed
Radius (Rjup / Re): 0.2822 (Rjup) 3.1631 (Rearth)
Mass (Mjup / Me): 0.0242 (Mjup) 7.6986 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3659 (AU) 0.3659 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.2150
Orbital Period(Observed/Estimated) 78.55 (Days Obs.) 80.04 (Days Est.)
Surface Gravity (G Earth) 0.7695
Star Radiation at Atmospheric Boundary: 14644.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 491.0 (K)
Blackbody T 0.3(K) 461.1 (K)
Blackbody T 0.7(K) 373.1 (K)
Tidally Locked Blackbody T 0.1(K) 583.9 (K)
Tidally Locked Blackbody T 0.3(K) 548.3 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-1786
Alternate Name : "3448130, KOI-2043"
Star Distance(LY) : 2817.7
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.5 (GY)
Temperature : 5718 (K)
Spectral type : G3IV-V
UV portion[%]: 7.7
Visible portion[%]: 44.5
IR portion[%]: 47.8
Metalicity : 0.0
Absolute Magnitude: 4.4
Apparent Magnitude: 14.1
Right Ascension(RA) 292.5878
Declination (DEC) 38.5220
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
Kepler-1786 b
Kepler-1786 b

  • Kepler-1786 b is an exoplanet orbiting the star Kepler-1786, located about 2817.7 light-years (863.9 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1786 has apparent magnitude of 14.1, with absolute magnitude of 4.4.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5718 with its spectral types of G3IV-V
  • In this planetary system, the extrasolar planet Kepler-1786 b orbits around the star Kepler-1786 every 78.5 days with its orbital distance of 0.37 AU ( 54737860.9 km)
  • (Projected orbit of Kepler-1786 b around its host star Kepler-1786)


  • The Star Kepler-1786 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.866 AU ( 129584054.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.197 AU ( 179119027.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.824 AU ( 272937759.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.685 AU ( 401639869.7 km)
  • Radiation at Planetary Boundary of Kepler-1786 b : 14644.24 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1786)



  • Kopparapu Recent Venus for Star Kepler-1786 distance : 0.901 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1786 distance : 1.141 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1786 distance : 1.102 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1786 distance : 1.208 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1786 distance : 2.018 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1786 distance : 2.129 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1786)



  • Original Kopparapu Recent Venus for Star Kepler-1786 distance : 0.901 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1786 distance : 1.173 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1786 distance : 1.192 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1786 distance : 2.054 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1786 distance : 2.136 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1786)



    (Position in Stellar Map of star Kepler-1786 and its Exoplanet Kepler-1786 b)



    (Zoomed position in Stellar Map of star Kepler-1786 and its Exoplanet Kepler-1786 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1786*)
    *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