Imaginary Picture of Kepler-74 b
/
Exoplanet Name : Kepler-74 b
Alternate Name : KOI-200 b
Radius (Rjup / Re): 1.3200 (Rjup) 14.7959 (Rearth)
Mass (Mjup / Me): 0.6800 (Mjup) 216.1978 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0840 (AU) 0.0840 (AU Est.)
Eccentricity : 0.2870
Orbital Period(Yrs) 0.0201
Orbital Period(Observed/Estimated) 7.34 (Days Obs.) 7.52 (Days Est.)
Star Radiation at Atmospheric Boundary: 419346.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1135.8 (K)
Blackbody T 0.3(K) 1066.6 (K)
Blackbody T 0.7(K) 863.0 (K)
Tidally Locked Blackbody T 0.1(K) 1350.7 (K)
Tidally Locked Blackbody T 0.3(K) 1268.4 (K)
Size Class: Super-Jupiter-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-74
Alternate Name :
Star Distance(LY) : 3840.1
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.4 (Msun Measured) 1.5 (Msun Estimated)
Star Age : 2.9 (GY)
Temperature : 6050 (K)
Spectral type : F8V
Metalicity : 0.3
Absolute Magnitude: 3.9
Apparent Magnitude: 14.2
Right Ascension(RA) 293.0917
Declination (DEC) 41.3556
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "A. S. Bonomo, A. Sozzetti, A. Santerne, M. Deleuil, J.-M. Almenara, G. Bruno, R. F. D_az, G. H_brard, C. Moutou"
Discovery Paper - Title Improved parameters of seven Kepler giant companions characterized with SOPHIE and HARPS-N
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-74+&submit=SIMBAD+search0
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-74%20b/
Kepler-74 b
Kepler-74 b

  • Kepler-74 b is an exoplanet orbiting the star Kepler-74, located about 3840.1 light-years (1177.4 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star Kepler-74 has apparent magnitude of 14.2, with absolute magnitude of 3.9.
  • It is 1.4 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6050 with its spectral types of F8V
  • In this planetary system, the extrasolar planet Kepler-74 b orbits around the star Kepler-74 every 7.3 days with its orbital distance of 0.08 AU ( 12566221.1 km)
  • (Projected orbit of Kepler-74 b around its host star Kepler-74)


  • The Star Kepler-74 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.064 AU ( 159192050.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.471 AU ( 220045016.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.241 AU ( 335299908.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.298 AU ( 493408504.1 km)
  • Radiation at Planetary Boundary of Kepler-74 b : 419346.25 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-74)



  • Kopparapu Recent Venus for Star Kepler-74 distance : 1.085 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-74 distance : 1.374 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-74 distance : 1.327 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-74 distance : 1.454 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-74 distance : 2.410 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-74 distance : 2.542 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-74)



  • Original Kopparapu Recent Venus for Star Kepler-74 distance : 1.092 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-74 distance : 1.410 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-74 distance : 1.445 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-74 distance : 2.453 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-74 distance : 2.551 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-74)



    (Position in Stellar Map of star Kepler-74 and its Exoplanet Kepler-74 b)



    (Zoomed position in Stellar Map of star Kepler-74 and its Exoplanet Kepler-74 b (zoom level 3))