Imaginary Picture of Kepler-637 b

Display orbital revolution of Kepler-637 b around the hoststar Kepler-637
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Exoplanet Name : Kepler-637 b
Alternate Name : "2MASS J19294013+4125007 b, K00659.01, KIC 6125481 b, KOI-659 b, KOI-659.01, WISE J192940.13+412500.7 b"
Status : Confirmed
Radius (Rjup / Re): 0.4240 (Rjup) 4.7526 (Rearth)
Mass (Mjup / Me): 0.0747 (Mjup) 23.7558 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1878 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0635
Orbital Period(Observed/Estimated) 23.21 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.0517
Star Radiation at Atmospheric Boundary: 86081.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 764.5 (K)
Blackbody T 0.3(K) 717.9 (K)
Blackbody T 0.7(K) 580.9 (K)
Tidally Locked Blackbody T 0.1(K) 909.1 (K)
Tidally Locked Blackbody T 0.3(K) 853.8 (K)
Size Class: 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-637
Alternate Name : "2MASS J19294013+4125007, KIC 6125481, KOI-659, WISE J192940.13+412500.7"
Star Distance(LY) : 2562.4
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.6 (Msun Measured) 1.6 (Msun Estimated)
Star Age : 2.2 (GY)
Temperature : 6281 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.4
Absolute Magnitude: 3.0
Apparent Magnitude: 12.5
Right Ascension(RA) 292.4172
Declination (DEC) 41.4169
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 551 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-637+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-637%20b/
Kepler-637 b
Kepler-637 b

  • Kepler-637 b is an exoplanet orbiting the star Kepler-637, located about 2562.4 light-years (785.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-637 has apparent magnitude of 12.5, with absolute magnitude of 3.0.
  • It is 1.6 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6281 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-637 b orbits around the star Kepler-637 every 23.2 days with its orbital distance of 0.19 AU ( 28089552.4 km)
  • (Projected orbit of Kepler-637 b around its host star Kepler-637)


  • The Star Kepler-637 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.078 AU ( 161224406.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.490 AU ( 222854262.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.270 AU ( 339580578.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.340 AU ( 499707696.7 km)
  • Radiation at Planetary Boundary of Kepler-637 b : 86081.80 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-637)



  • Kopparapu Recent Venus for Star Kepler-637 distance : 1.083 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-637 distance : 1.372 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-637 distance : 1.325 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-637 distance : 1.452 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-637 distance : 2.396 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-637 distance : 2.527 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-637)



  • Original Kopparapu Recent Venus for Star Kepler-637 distance : 1.097 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-637 distance : 1.408 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-637 distance : 1.451 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-637 distance : 2.439 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-637 distance : 2.536 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-637)



    (Position in Stellar Map of star Kepler-637 and its Exoplanet Kepler-637 b)



    (Zoomed position in Stellar Map of star Kepler-637 and its Exoplanet Kepler-637 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-637*)
    *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