Imaginary Picture of Kepler-1202 b

Display orbital revolution of Kepler-1202 b around the hoststar Kepler-1202
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Exoplanet Name : Kepler-1202 b
Alternate Name : "2MASS J19290974+4439117 b, K02346.01, KIC 8561231 b, KOI-2346 b, KOI-2346.01"
Status : Confirmed
Radius (Rjup / Re): 0.2620 (Rjup) 2.9368 (Rearth)
Mass (Mjup / Me): 0.0226 (Mjup) 7.1851 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1852 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0785
Orbital Period(Observed/Estimated) 28.69 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8331
Star Radiation at Atmospheric Boundary: 30501.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 589.8 (K)
Blackbody T 0.3(K) 553.9 (K)
Blackbody T 0.7(K) 448.2 (K)
Tidally Locked Blackbody T 0.1(K) 701.4 (K)
Tidally Locked Blackbody T 0.3(K) 658.7 (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-1202
Alternate Name : "2MASS J19290974+4439117, KIC 8561231, KOI-2346"
Star Distance(LY) : 3839.6
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.2 (GY)
Temperature : 5732 (K)
Spectral type : G2
UV portion[%]: 7.7
Visible portion[%]: 44.6
IR portion[%]: 47.7
Metalicity : 0.1
Absolute Magnitude: 4.0
Apparent Magnitude: 14.3
Right Ascension(RA) 292.2906
Declination (DEC) 44.6533
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton1, Stephen T. Bryson2, Jeffrey L. Coughlin2,3, Jason F. Rowe4, Ganesh Ravichandran5, Erik A. Petigura6,7, Michael R. Haas2, and Natalie M. Batalha2 "
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 428 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1202+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1202%20b/
Kepler-1202 b
Kepler-1202 b

  • Kepler-1202 b is an exoplanet orbiting the star Kepler-1202, located about 3839.6 light-years (1177.2 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1202 has apparent magnitude of 14.3, with absolute magnitude of 4.0.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5732 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-1202 b orbits around the star Kepler-1202 every 28.7 days with its orbital distance of 0.19 AU ( 27706536.7 km)
  • (Projected orbit of Kepler-1202 b around its host star Kepler-1202)


  • The Star Kepler-1202 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.633 AU ( 94661250.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.875 AU ( 130846586.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.333 AU ( 199381240.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.961 AU ( 293398230.1 km)
  • Radiation at Planetary Boundary of Kepler-1202 b : 30501.37 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1202)



  • Kopparapu Recent Venus for Star Kepler-1202 distance : 0.658 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1202 distance : 0.833 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1202 distance : 0.804 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1202 distance : 0.882 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1202 distance : 1.472 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1202 distance : 1.553 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1202)



  • Original Kopparapu Recent Venus for Star Kepler-1202 distance : 0.658 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1202 distance : 0.856 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1202 distance : 0.871 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1202 distance : 1.498 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1202 distance : 1.558 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1202)



    (Position in Stellar Map of star Kepler-1202 and its Exoplanet Kepler-1202 b)



    (Zoomed position in Stellar Map of star Kepler-1202 and its Exoplanet Kepler-1202 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1202*)
    *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