Imaginary Picture of Kepler-649 b

Display orbital revolution of Kepler-649 b around the hoststar Kepler-649
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Exoplanet Name : Kepler-649 b
Alternate Name : "2MASS J19023742+4504464 b, K00695.01, KIC 8805348 b, KOI-695 b, KOI-695.01, WISE J190237.40+450446.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.2020 (Rjup) 2.2642 (Rearth)
Mass (Mjup / Me): 0.0177 (Mjup) 5.6414 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1867 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0819
Orbital Period(Observed/Estimated) 29.91 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.1004
Star Radiation at Atmospheric Boundary: 32137.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 597.6 (K)
Blackbody T 0.3(K) 561.2 (K)
Blackbody T 0.7(K) 454.1 (K)
Tidally Locked Blackbody T 0.1(K) 710.6 (K)
Tidally Locked Blackbody T 0.3(K) 667.4 (K)
Size Class: sub-Neptune-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-649
Alternate Name : "2MASS J19023742+4504464, KIC 8805348, KOI-695, WISE J190237.40+450446.1"
Star Distance(LY) : 1675.0
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 3.0 (GY)
Temperature : 5694 (K)
Spectral type : G1
UV portion[%]: 7.6
Visible portion[%]: 44.4
IR portion[%]: 48.0
Metalicity : -0.2
Absolute Magnitude: 3.8
Apparent Magnitude: 12.4
Right Ascension(RA) 285.6559
Declination (DEC) 45.0796
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 562 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-649+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-649%20b/
Kepler-649 b
Kepler-649 b

  • Kepler-649 b is an exoplanet orbiting the star Kepler-649, located about 1675.0 light-years (513.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-649 has apparent magnitude of 12.4, with absolute magnitude of 3.8.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5694 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-649 b orbits around the star Kepler-649 every 29.9 days with its orbital distance of 0.19 AU ( 27923719.7 km)
  • (Projected orbit of Kepler-649 b around its host star Kepler-649)


  • The Star Kepler-649 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.655 AU ( 97928465.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.905 AU ( 135362731.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.379 AU ( 206262847.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.029 AU ( 303524815.1 km)
  • Radiation at Planetary Boundary of Kepler-649 b : 32137.40 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-649)



  • Kopparapu Recent Venus for Star Kepler-649 distance : 0.682 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-649 distance : 0.863 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-649 distance : 0.834 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-649 distance : 0.914 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-649 distance : 1.528 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-649 distance : 1.612 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-649)



  • Original Kopparapu Recent Venus for Star Kepler-649 distance : 0.682 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-649 distance : 0.888 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-649 distance : 0.902 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-649 distance : 1.555 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-649 distance : 1.617 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-649)



    (Position in Stellar Map of star Kepler-649 and its Exoplanet Kepler-649 b)



    (Zoomed position in Stellar Map of star Kepler-649 and its Exoplanet Kepler-649 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-649*)
    *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