Imaginary Picture of Kepler-1155 b

Display orbital revolution of Kepler-1155 b around the hoststar Kepler-1155
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Exoplanet Name : Kepler-1155 b
Alternate Name : "2MASS J19151693+3931221 b, K02245.01, KIC 4454934 b, KOI-2245 b, KOI-2245.01, WISE J191516.94+393122.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.1810 (Rjup) 2.0288 (Rearth)
Mass (Mjup / Me): 0.0160 (Mjup) 5.0939 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2053 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0916
Orbital Period(Observed/Estimated) 33.47 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.2375
Star Radiation at Atmospheric Boundary: 42553.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 641.0 (K)
Blackbody T 0.3(K) 602.0 (K)
Blackbody T 0.7(K) 487.1 (K)
Tidally Locked Blackbody T 0.1(K) 762.3 (K)
Tidally Locked Blackbody T 0.3(K) 715.9 (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-1155
Alternate Name : "2MASS J19151693+3931221, KIC 4454934, KOI-2245, WISE J191516.94+393122.3"
Star Distance(LY) : 2822.8
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 3.7 (GY)
Temperature : 5912 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 3.9
Apparent Magnitude: 13.6
Right Ascension(RA) 288.8206
Declination (DEC) 39.5228
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. 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-1155+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1155%20b/
Kepler-1155 b
Kepler-1155 b

  • Kepler-1155 b is an exoplanet orbiting the star Kepler-1155, located about 2822.8 light-years (865.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1155 has apparent magnitude of 13.6, with absolute magnitude of 3.9.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5912 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-1155 b orbits around the star Kepler-1155 every 33.5 days with its orbital distance of 0.21 AU ( 30707603.4 km)
  • (Projected orbit of Kepler-1155 b around its host star Kepler-1155)


  • The Star Kepler-1155 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.828 AU ( 123920821.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.145 AU ( 171290960.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.745 AU ( 261009516.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.567 AU ( 384086938.1 km)
  • Radiation at Planetary Boundary of Kepler-1155 b : 42553.58 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1155)



  • Kopparapu Recent Venus for Star Kepler-1155 distance : 0.852 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1155 distance : 1.078 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1155 distance : 1.042 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1155 distance : 1.142 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1155 distance : 1.898 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1155 distance : 2.002 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1155)



  • Original Kopparapu Recent Venus for Star Kepler-1155 distance : 0.855 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1155 distance : 1.108 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1155 distance : 1.131 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1155 distance : 1.932 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1155 distance : 2.009 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1155)



    (Position in Stellar Map of star Kepler-1155 and its Exoplanet Kepler-1155 b)



    (Zoomed position in Stellar Map of star Kepler-1155 and its Exoplanet Kepler-1155 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1155*)
    *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