Imaginary Picture of Kepler-542 b

Display orbital revolution of Kepler-542 b around the hoststar Kepler-542
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Exoplanet Name : Kepler-542 b
Alternate Name : "2MASS J19285162+3832549 b, K00385.01, KIC 3446746 b, KOI-385 b, KOI-385.01, WISE J192851.60+383254.8 b"
Status : Confirmed
Radius (Rjup / Re): 0.1400 (Rjup) 1.5693 (Rearth)
Mass (Mjup / Me): 0.0126 (Mjup) 4.0115 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1064 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0360
Orbital Period(Observed/Estimated) 13.14 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.6290
Star Radiation at Atmospheric Boundary: 80129.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 750.9 (K)
Blackbody T 0.3(K) 705.2 (K)
Blackbody T 0.7(K) 570.6 (K)
Tidally Locked Blackbody T 0.1(K) 893.0 (K)
Tidally Locked Blackbody T 0.3(K) 838.6 (K)
Size Class: super-Earth-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-542
Alternate Name : "2MASS J19285162+3832549, KIC 3446746, KOI-385, WISE J192851.60+383254.8"
Star Distance(LY) : 1421.6
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.6 (GY)
Temperature : 5476 (K)
Spectral type : G7
UV portion[%]: 7.0
Visible portion[%]: 43.4
IR portion[%]: 49.6
Metalicity : 0.0
Absolute Magnitude: 4.0
Apparent Magnitude: 12.2
Right Ascension(RA) 292.2151
Declination (DEC) 38.5486
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 474 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-542%20b/
Kepler-542 b
Kepler-542 b

  • Kepler-542 b is an exoplanet orbiting the star Kepler-542, located about 1421.6 light-years (435.9 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-542 has apparent magnitude of 12.2, with absolute magnitude of 4.0.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5476 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-542 b orbits around the star Kepler-542 every 13.1 days with its orbital distance of 0.11 AU ( 15917179.1 km)
  • (Projected orbit of Kepler-542 b around its host star Kepler-542)


  • The Star Kepler-542 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.589 AU ( 88143903.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.814 AU ( 121837909.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.241 AU ( 185654010.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.826 AU ( 273198009.8 km)
  • Radiation at Planetary Boundary of Kepler-542 b : 80129.38 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-542)



  • Kopparapu Recent Venus for Star Kepler-542 distance : 0.622 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-542 distance : 0.787 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-542 distance : 0.760 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-542 distance : 0.834 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-542 distance : 1.402 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-542 distance : 1.479 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-542)



  • Original Kopparapu Recent Venus for Star Kepler-542 distance : 0.619 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-542 distance : 0.810 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-542 distance : 0.819 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-542 distance : 1.427 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-542 distance : 1.484 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-542)



    (Position in Stellar Map of star Kepler-542 and its Exoplanet Kepler-542 b)



    (Zoomed position in Stellar Map of star Kepler-542 and its Exoplanet Kepler-542 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-542*)
    *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