Imaginary Picture of Kepler-1830 b

Display orbital revolution of Kepler-1830 b around the hoststar Kepler-1830
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Exoplanet Name : Kepler-1830 b
Alternate Name : "KOI-2358 b, KOI-2358.01"
Status : Confirmed
Radius (Rjup / Re): 0.2971 (Rjup) 3.3299 (Rearth)
Mass (Mjup / Me): 0.0254 (Mjup) 8.0756 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3259 (AU) 0.3259 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1547
Orbital Period(Observed/Estimated) 56.49 (Days Obs.) 61.52 (Days Est.)
Surface Gravity (G Earth) 0.7283
Star Radiation at Atmospheric Boundary: 54753.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 682.7 (K)
Blackbody T 0.3(K) 641.2 (K)
Blackbody T 0.7(K) 518.8 (K)
Tidally Locked Blackbody T 0.1(K) 811.9 (K)
Tidally Locked Blackbody T 0.3(K) 762.5 (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-1830
Alternate Name : "KIC 5716932, KOI-2358"
Star Distance(LY) : 3447.1
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 0.3 (GY)
Temperature : 6273 (K)
Spectral type : F7IV
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 3.5
Apparent Magnitude: 13.6
Right Ascension(RA) 295.1391
Declination (DEC) 40.9791
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-1830 b
Kepler-1830 b

  • Kepler-1830 b is an exoplanet orbiting the star Kepler-1830, located about 3447.1 light-years (1056.9 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1830 has apparent magnitude of 13.6, with absolute magnitude of 3.5.
  • It is 1.2 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 6273 with its spectral types of F7IV
  • In this planetary system, the extrasolar planet Kepler-1830 b orbits around the star Kepler-1830 every 56.5 days with its orbital distance of 0.33 AU ( 48753946.1 km)
  • (Projected orbit of Kepler-1830 b around its host star Kepler-1830)


  • The Star Kepler-1830 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.492 AU ( 223175612.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.062 AU ( 308487019.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.142 AU ( 470065950.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.624 AU ( 691722638.0 km)
  • Radiation at Planetary Boundary of Kepler-1830 b : 54753.68 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1830)



  • Kopparapu Recent Venus for Star Kepler-1830 distance : 1.500 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1830 distance : 1.900 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1830 distance : 1.835 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1830 distance : 2.011 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1830 distance : 3.318 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1830 distance : 3.500 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1830)



  • Original Kopparapu Recent Venus for Star Kepler-1830 distance : 1.518 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1830 distance : 1.949 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1830 distance : 2.009 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1830 distance : 3.378 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1830 distance : 3.513 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1830)



    (Position in Stellar Map of star Kepler-1830 and its Exoplanet Kepler-1830 b)



    (Zoomed position in Stellar Map of star Kepler-1830 and its Exoplanet Kepler-1830 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1830*)
    *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