Imaginary Picture of Kepler-548 b

Display orbital revolution of Kepler-548 b around the hoststar Kepler-548
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Exoplanet Name : Kepler-548 b
Alternate Name : "2MASS J19593741+4526228 b, K00421.01, KIC 9115800 b, KOI-421 b, KOI-421.01, WISE J195937.42+452622.7 b"
Status : Confirmed
Radius (Rjup / Re): 1.0700 (Rjup) 11.9936 (Rearth)
Mass (Mjup / Me): 1.2008 (Mjup) 381.7883 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0517 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0122
Orbital Period(Observed/Estimated) 4.45 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 2.6541
Star Radiation at Atmospheric Boundary: 296668.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1041.6 (K)
Blackbody T 0.3(K) 978.2 (K)
Blackbody T 0.7(K) 791.5 (K)
Tidally Locked Blackbody T 0.1(K) 1238.7 (K)
Tidally Locked Blackbody T 0.3(K) 1163.3 (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-548
Alternate Name : "2MASS J19593741+4526228, KIC 9115800, KOI-421, WISE J195937.42+452622.7"
Star Distance(LY) : 2451.3
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.4 (GY)
Temperature : 5349 (K)
Spectral type : G7
UV portion[%]: 6.1
Visible portion[%]: 41.9
IR portion[%]: 51.9
Metalicity : 0.0
Absolute Magnitude: 4.2
Apparent Magnitude: 13.6
Right Ascension(RA) 299.9059
Declination (DEC) 45.4397
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 480 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-548+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-548%20b/
Kepler-548 b
Kepler-548 b

  • Kepler-548 b is an exoplanet orbiting the star Kepler-548, located about 2451.3 light-years (751.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-548 has apparent magnitude of 13.6, with absolute magnitude of 4.2.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5349 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-548 b orbits around the star Kepler-548 every 4.5 days with its orbital distance of 0.05 AU ( 7736401.8 km)
  • (Projected orbit of Kepler-548 b around its host star Kepler-548)


  • The Star Kepler-548 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.551 AU ( 82433752.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.762 AU ( 113944988.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.161 AU ( 173626946.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.708 AU ( 255499657.4 km)
  • Radiation at Planetary Boundary of Kepler-548 b : 296668.55 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-548)



  • Kopparapu Recent Venus for Star Kepler-548 distance : 0.585 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-548 distance : 0.741 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-548 distance : 0.716 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-548 distance : 0.785 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-548 distance : 1.326 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-548 distance : 1.399 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-548)



  • Original Kopparapu Recent Venus for Star Kepler-548 distance : 0.582 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-548 distance : 0.763 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-548 distance : 0.770 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-548 distance : 1.349 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-548 distance : 1.403 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-548)



    (Position in Stellar Map of star Kepler-548 and its Exoplanet Kepler-548 b)



    (Zoomed position in Stellar Map of star Kepler-548 and its Exoplanet Kepler-548 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-548*)
    *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