Imaginary Picture of Kepler-1253 b

Display orbital revolution of Kepler-1253 b around the hoststar Kepler-1253
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Exoplanet Name : Kepler-1253 b
Alternate Name : "2MASS J18553242+4738139 b, K02484.01, KIC 10453588 b, KOI-2484 b, KOI-2484.01, WISE J185532.44+473813.8 b"
Status : Confirmed
Radius (Rjup / Re): 0.1190 (Rjup) 1.3339 (Rearth)
Mass (Mjup / Me): 0.0087 (Mjup) 2.7700 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.3256 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1886
Orbital Period(Observed/Estimated) 68.89 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.5569
Star Radiation at Atmospheric Boundary: 27363.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 574.0 (K)
Blackbody T 0.3(K) 539.1 (K)
Blackbody T 0.7(K) 436.2 (K)
Tidally Locked Blackbody T 0.1(K) 682.6 (K)
Tidally Locked Blackbody T 0.3(K) 641.1 (K)
Size Class: super-Earth-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-1253
Alternate Name : "2MASS J18553242+4738139, KIC 10453588, KOI-2484, WISE J185532.44+473813.8"
Star Distance(LY) : 1677.6
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 7.1 (GY)
Temperature : 5711 (K)
Spectral type : G2
UV portion[%]: 7.6
Visible portion[%]: 44.5
IR portion[%]: 47.9
Metalicity : -0.1
Absolute Magnitude: 2.8
Apparent Magnitude: 11.4
Right Ascension(RA) 283.8851
Declination (DEC) 47.6372
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. Batalha10"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 444 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1253+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1253%20b/
Kepler-1253 b
Kepler-1253 b

  • Kepler-1253 b is an exoplanet orbiting the star Kepler-1253, located about 1677.6 light-years (514.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1253 has apparent magnitude of 11.4, with absolute magnitude of 2.8.
  • It is 1.0 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5711 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-1253 b orbits around the star Kepler-1253 every 68.9 days with its orbital distance of 0.33 AU ( 48701681.6 km)
  • (Projected orbit of Kepler-1253 b around its host star Kepler-1253)


  • The Star Kepler-1253 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.054 AU ( 157601401.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.456 AU ( 217846323.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.219 AU ( 331949587.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.265 AU ( 488478360.3 km)
  • Radiation at Planetary Boundary of Kepler-1253 b : 27363.50 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1253)



  • Kopparapu Recent Venus for Star Kepler-1253 distance : 1.096 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1253 distance : 1.388 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1253 distance : 1.341 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1253 distance : 1.470 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1253 distance : 2.456 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1253 distance : 2.590 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1253)



  • Original Kopparapu Recent Venus for Star Kepler-1253 distance : 1.096 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1253 distance : 1.427 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1253 distance : 1.451 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1253 distance : 2.499 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1253 distance : 2.599 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1253)



    (Position in Stellar Map of star Kepler-1253 and its Exoplanet Kepler-1253 b)



    (Zoomed position in Stellar Map of star Kepler-1253 and its Exoplanet Kepler-1253 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1253*)
    *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