Imaginary Picture of Kepler-44 b

Display orbital revolution of Kepler-44 b around the hoststar Kepler-44
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Exoplanet Name : Kepler-44 b
Alternate Name : KOI-204 b
Radius (Rjup / Re): 1.2400 (Rjup) 13.8992 (Rearth)
Mass (Mjup / Me): 1.0200 (Mjup) 324.2968 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0455 (AU) 0.0455 (AU Est.)
Eccentricity : 0.0210
Orbital Period(Yrs) 0.0089
Orbital Period(Observed/Estimated) 3.25 (Days Obs.) 3.25 (Days Est.)
Surface Gravity (G Earth) 1.6787
Star Radiation at Atmospheric Boundary: 1431031.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1543.7 (K)
Blackbody T 0.3(K) 1449.7 (K)
Blackbody T 0.7(K) 1172.9 (K)
Tidally Locked Blackbody T 0.1(K) 1835.7 (K)
Tidally Locked Blackbody T 0.3(K) 1724.0 (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-44
Alternate Name :
Star Distance(LY) : 3874.8
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 7.0 (GY)
Temperature : 5757 (K)
Spectral type : G2IV
Metalicity : 0.3
Absolute Magnitude: 4.6
Apparent Magnitude: 15.0
Right Ascension(RA) 300.1042
Declination (DEC) 45.7622
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "A. Santerne, R. F. D_az, C. Moutou, F. Bouchy, G. H_brard, J.-M. Almenara, A. S. Bonomo, M. Deleuil, N. C. Santos"
Discovery Paper - Title SOPHIE velocimetry of Kepler transit candidates VII. A false-positive rate of 35% for Kepler close-in giant exoplanet candidates
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-44+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-44%20b/
Kepler-44 b
Kepler-44 b

  • Kepler-44 b is an exoplanet orbiting the star Kepler-44, located about 3874.8 light-years (1188.0 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star Kepler-44 has apparent magnitude of 15.0, with absolute magnitude of 4.6.
  • It is 1.2 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5757 with its spectral types of G2IV
  • In this planetary system, the extrasolar planet Kepler-44 b orbits around the star Kepler-44 every 3.2 days with its orbital distance of 0.05 AU ( 6806703.1 km)
  • (Projected orbit of Kepler-44 b around its host star Kepler-44)


  • The Star Kepler-44 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.065 AU ( 159291177.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.472 AU ( 220182034.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.243 AU ( 335508695.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.300 AU ( 493715742.5 km)
  • Radiation at Planetary Boundary of Kepler-44 b : 1431031.64 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-44)



  • Kopparapu Recent Venus for Star Kepler-44 distance : 1.105 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-44 distance : 1.399 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-44 distance : 1.351 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-44 distance : 1.482 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-44 distance : 2.472 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-44 distance : 2.608 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-44)



  • Original Kopparapu Recent Venus for Star Kepler-44 distance : 1.106 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-44 distance : 1.438 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-44 distance : 1.463 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-44 distance : 2.516 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-44 distance : 2.616 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-44)



    (Position in Stellar Map of star Kepler-44 and its Exoplanet Kepler-44 b)



    (Zoomed position in Stellar Map of star Kepler-44 and its Exoplanet Kepler-44 b (zoom level 3))