Imaginary Picture of Kepler-628 b

Display orbital revolution of Kepler-628 b around the hoststar Kepler-628
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Exoplanet Name : Kepler-628 b
Alternate Name : "2MASS J19214782+3951172 b, K00631.01, KIC 4742414 b, KOI-631 b, KOI-631.01, WISE J192147.82+395117.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.7490 (Rjup) 8.3955 (Rearth)
Mass (Mjup / Me): 0.4119 (Mjup) 130.9534 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1214 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0423
Orbital Period(Observed/Estimated) 15.46 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.8579
Star Radiation at Atmospheric Boundary: 374489.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1104.1 (K)
Blackbody T 0.3(K) 1036.9 (K)
Blackbody T 0.7(K) 838.9 (K)
Tidally Locked Blackbody T 0.1(K) 1313.0 (K)
Tidally Locked Blackbody T 0.3(K) 1233.0 (K)
Size Class: 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-628
Alternate Name : "2MASS J19214782+3951172, KIC 4742414, KOI-631, WISE J192147.82+395117.3"
Star Distance(LY) : 2927.2
Stellar Radius(Rsun) : 2.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 8.7 (GY)
Temperature : 5862 (K)
Spectral type : G4
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 2.2
Apparent Magnitude: 12.0
Right Ascension(RA) 290.4493
Declination (DEC) 39.8548
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 549 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-628+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-628%20b/
Kepler-628 b
Kepler-628 b

  • Kepler-628 b is an exoplanet orbiting the star Kepler-628, located about 2927.2 light-years (897.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-628 has apparent magnitude of 12.0, with absolute magnitude of 2.2.
  • It is 1.0 times more massive and 2.0 times bigger compared with our Sun. The surface temperature is 5862 with its spectral types of G4
  • In this planetary system, the extrasolar planet Kepler-628 b orbits around the star Kepler-628 every 15.5 days with its orbital distance of 0.12 AU ( 18167779.9 km)
  • (Projected orbit of Kepler-628 b around its host star Kepler-628)


  • The Star Kepler-628 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.454 AU ( 217496355.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.010 AU ( 300636801.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.062 AU ( 458103955.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.506 AU ( 674120038.3 km)
  • Radiation at Planetary Boundary of Kepler-628 b : 374489.51 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-628)



  • Kopparapu Recent Venus for Star Kepler-628 distance : 1.499 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-628 distance : 1.899 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-628 distance : 1.834 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-628 distance : 2.010 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-628 distance : 3.345 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-628 distance : 3.529 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-628)



  • Original Kopparapu Recent Venus for Star Kepler-628 distance : 1.504 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-628 distance : 1.950 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-628 distance : 1.990 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-628 distance : 3.404 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-628 distance : 3.540 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-628)



    (Position in Stellar Map of star Kepler-628 and its Exoplanet Kepler-628 b)



    (Zoomed position in Stellar Map of star Kepler-628 and its Exoplanet Kepler-628 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-628*)
    *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