Imaginary Picture of Kepler-1849 b

Display orbital revolution of Kepler-1849 b around the hoststar Kepler-1849
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Exoplanet Name : Kepler-1849 b
Alternate Name : "KOI-2525 b, KOI-2525.01"
Status : Confirmed
Radius (Rjup / Re): 0.2129 (Rjup) 2.3868 (Rearth)
Mass (Mjup / Me): 0.0186 (Mjup) 5.9250 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2597 (AU) 0.2597 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1569
Orbital Period(Observed/Estimated) 57.29 (Days Obs.) 55.82 (Days Est.)
Surface Gravity (G Earth) 1.0400
Star Radiation at Atmospheric Boundary: 4386.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 363.2 (K)
Blackbody T 0.3(K) 341.1 (K)
Blackbody T 0.7(K) 276.0 (K)
Tidally Locked Blackbody T 0.1(K) 431.9 (K)
Tidally Locked Blackbody T 0.3(K) 405.6 (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-1849
Alternate Name : "KIC 5942949, KOI-2525"
Star Distance(LY) : 2060.9
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 13.5 (GY)
Temperature : 4687 (K)
Spectral type : K4V
UV portion[%]: 2.1
Visible portion[%]: 34.0
IR portion[%]: 63.9
Metalicity : -0.1
Absolute Magnitude: 7.0
Apparent Magnitude: 16.0
Right Ascension(RA) 285.2919
Declination (DEC) 41.2557
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-1849 b
Kepler-1849 b

  • Kepler-1849 b is an exoplanet orbiting the star Kepler-1849, located about 2060.9 light-years (631.9 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1849 has apparent magnitude of 16.0, with absolute magnitude of 7.0.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4687 with its spectral types of K4V
  • In this planetary system, the extrasolar planet Kepler-1849 b orbits around the star Kepler-1849 every 57.3 days with its orbital distance of 0.26 AU ( 38850567.0 km)
  • (Projected orbit of Kepler-1849 b around its host star Kepler-1849)


  • The Star Kepler-1849 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.336 AU ( 50334694.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.465 AU ( 69575701.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.709 AU ( 106017971.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.043 AU ( 156010089.6 km)
  • Radiation at Planetary Boundary of Kepler-1849 b : 4386.11 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1849)



  • Kopparapu Recent Venus for Star Kepler-1849 distance : 0.369 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1849 distance : 0.467 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1849 distance : 0.451 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1849 distance : 0.495 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1849 distance : 0.858 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1849 distance : 0.905 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1849)



  • Original Kopparapu Recent Venus for Star Kepler-1849 distance : 0.364 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1849 distance : 0.482 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1849 distance : 0.482 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1849 distance : 0.872 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1849 distance : 0.907 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1849)



    (Position in Stellar Map of star Kepler-1849 and its Exoplanet Kepler-1849 b)



    (Zoomed position in Stellar Map of star Kepler-1849 and its Exoplanet Kepler-1849 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1849*)
    *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