Imaginary Picture of Kepler-1275 b
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Exoplanet Name : Kepler-1275 b
Alternate Name :
Radius (Rjup / Re): 0.1320 (Rjup) 1.4796 (Rearth)
Mass (Mjup / Me): 0.0127 (Mjup) 4.0473 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0498 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0100
Orbital Period(Observed/Estimated) 3.66 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 1438707.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1545.7 (K)
Blackbody T 0.3(K) 1451.6 (K)
Blackbody T 0.7(K) 1174.5 (K)
Tidally Locked Blackbody T 0.1(K) 1838.2 (K)
Tidally Locked Blackbody T 0.3(K) 1726.3 (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-1275
Alternate Name :
Star Distance(LY) : 4174.8
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6296 (K)
Spectral type : F8
Metalicity : 0.0
Absolute Magnitude: 2.9
Apparent Magnitude: 13.4
Right Ascension(RA) 293.5005
Declination (DEC) 44.9325
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
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. Batalha12"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 446 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK 0
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1275%20b/
Kepler-1275 b
Kepler-1275 b

  • Kepler-1275 b is an exoplanet orbiting the star Kepler-1275, located about 4174.8 light-years (1280.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1275 has apparent magnitude of 13.4, with absolute magnitude of 2.9.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6296 with its spectral types of F8
  • In this planetary system, the extrasolar planet Kepler-1275 b orbits around the star Kepler-1275 every 3.7 days with its orbital distance of 0.05 AU ( 7445774.9 km)
  • (Projected orbit of Kepler-1275 b around its host star Kepler-1275)


  • The Star Kepler-1275 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.168 AU ( 174713498.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.614 AU ( 241499712.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.460 AU ( 367992118.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.620 AU ( 541516522.8 km)
  • Radiation at Planetary Boundary of Kepler-1275 b : 1438707.54 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1275)



  • Kopparapu Recent Venus for Star Kepler-1275 distance : 1.173 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1275 distance : 1.486 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1275 distance : 1.435 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1275 distance : 1.572 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1275 distance : 2.593 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1275 distance : 2.735 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1275)



  • Original Kopparapu Recent Venus for Star Kepler-1275 distance : 1.188 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1275 distance : 1.524 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1275 distance : 1.571 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1275 distance : 2.640 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1275 distance : 2.745 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1275)



    (Position in Stellar Map of star Kepler-1275 and its Exoplanet Kepler-1275 b)



    (Zoomed position in Stellar Map of star Kepler-1275 and its Exoplanet Kepler-1275 b (zoom level 3))