Imaginary Picture of Kepler-852 b

Display orbital revolution of Kepler-852 b around the hoststar Kepler-852
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Exoplanet Name : Kepler-852 b
Alternate Name : "2MASS J19493398+4833384 b, K01444.01, KIC 11043167 b, KOI-1444 b, KOI-1444.01, WISE J194933.98+483338.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.2270 (Rjup) 2.5444 (Rearth)
Mass (Mjup / Me): 0.0198 (Mjup) 6.2880 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2621 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1230
Orbital Period(Observed/Estimated) 44.93 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.9712
Star Radiation at Atmospheric Boundary: 128990.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 845.8 (K)
Blackbody T 0.3(K) 794.3 (K)
Blackbody T 0.7(K) 642.7 (K)
Tidally Locked Blackbody T 0.1(K) 1005.9 (K)
Tidally Locked Blackbody T 0.3(K) 944.6 (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-852
Alternate Name : "2MASS J19493398+4833384, KIC 11043167, KOI-1444, WISE J194933.98+483338.5"
Star Distance(LY) : 5281.9
Stellar Radius(Rsun) : 2.2 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 1.5 (GY)
Temperature : 6236 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.2
Absolute Magnitude: 1.8
Apparent Magnitude: 12.9
Right Ascension(RA) 297.3916
Declination (DEC) 48.5607
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. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 714 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-852&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-852%20b/
Kepler-852 b
Kepler-852 b

  • Kepler-852 b is an exoplanet orbiting the star Kepler-852, located about 5281.9 light-years (1619.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-852 has apparent magnitude of 12.9, with absolute magnitude of 1.8.
  • It is 1.2 times more massive and 2.2 times bigger compared with our Sun. The surface temperature is 6236 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-852 b orbits around the star Kepler-852 every 44.9 days with its orbital distance of 0.26 AU ( 39211324.5 km)
  • (Projected orbit of Kepler-852 b around its host star Kepler-852)


  • The Star Kepler-852 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.842 AU ( 275499289.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.546 AU ( 380812014.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.879 AU ( 580273236.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.708 AU ( 853897488.0 km)
  • Radiation at Planetary Boundary of Kepler-852 b : 128990.39 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-852)



  • Kopparapu Recent Venus for Star Kepler-852 distance : 1.856 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-852 distance : 2.351 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-852 distance : 2.270 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-852 distance : 2.488 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-852 distance : 4.108 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-852 distance : 4.333 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-852)



  • Original Kopparapu Recent Venus for Star Kepler-852 distance : 1.877 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-852 distance : 2.412 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-852 distance : 2.483 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-852 distance : 4.182 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-852 distance : 4.349 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-852)



    (Position in Stellar Map of star Kepler-852 and its Exoplanet Kepler-852 b)



    (Zoomed position in Stellar Map of star Kepler-852 and its Exoplanet Kepler-852 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-852*)
    *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