Imaginary Picture of Kepler-1274 b

Display orbital revolution of Kepler-1274 b around the hoststar Kepler-1274
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Exoplanet Name : Kepler-1274 b
Alternate Name : "2MASS J18582249+4626591 b, K02545.01, KIC 9696358 b, KOI-2545 b, KOI-2545.01, WISE J185822.48+462659.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.1270 (Rjup) 1.4235 (Rearth)
Mass (Mjup / Me): 0.0111 (Mjup) 3.5132 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0809 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0191
Orbital Period(Observed/Estimated) 6.98 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.7337
Star Radiation at Atmospheric Boundary: 1323264.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1513.8 (K)
Blackbody T 0.3(K) 1421.6 (K)
Blackbody T 0.7(K) 1150.2 (K)
Tidally Locked Blackbody T 0.1(K) 1800.2 (K)
Tidally Locked Blackbody T 0.3(K) 1690.5 (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-1274
Alternate Name : "2MASS J18582249+4626591, KIC 9696358, KOI-2545, WISE J185822.48+462659.1"
Star Distance(LY) : 2004.8
Stellar Radius(Rsun) : 2.2 (Rsun Measured)
Stellar Mass(Msun) : 1.4 (Msun Measured) 1.5 (Msun Estimated)
Star Age : 2.9 (GY)
Temperature : 6198 (K)
Spectral type : F8
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 1.8
Apparent Magnitude: 10.8
Right Ascension(RA) 284.5937
Declination (DEC) 46.4498
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. Batalha11"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 445 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1274+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1274%20b/
Kepler-1274 b
Kepler-1274 b

  • Kepler-1274 b is an exoplanet orbiting the star Kepler-1274, located about 2004.8 light-years (614.7 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1274 has apparent magnitude of 10.8, with absolute magnitude of 1.8.
  • It is 1.4 times more massive and 2.2 times bigger compared with our Sun. The surface temperature is 6198 with its spectral types of F8
  • In this planetary system, the extrasolar planet Kepler-1274 b orbits around the star Kepler-1274 every 7.0 days with its orbital distance of 0.08 AU ( 12104723.6 km)
  • (Projected orbit of Kepler-1274 b around its host star Kepler-1274)


  • The Star Kepler-1274 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.821 AU ( 272400922.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.517 AU ( 376529261.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.835 AU ( 573747269.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.644 AU ( 844294240.7 km)
  • Radiation at Planetary Boundary of Kepler-1274 b : 1323264.92 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1274)



  • Kopparapu Recent Venus for Star Kepler-1274 distance : 1.840 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1274 distance : 2.330 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1274 distance : 2.250 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1274 distance : 2.466 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1274 distance : 4.074 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1274 distance : 4.297 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1274)



  • Original Kopparapu Recent Venus for Star Kepler-1274 distance : 1.859 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1274 distance : 2.391 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1274 distance : 2.459 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1274 distance : 4.147 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1274 distance : 4.313 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1274)



    (Position in Stellar Map of star Kepler-1274 and its Exoplanet Kepler-1274 b)



    (Zoomed position in Stellar Map of star Kepler-1274 and its Exoplanet Kepler-1274 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1274*)
    *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