Imaginary Picture of Kepler-481 b

Display orbital revolution of Kepler-481 b around the hoststar Kepler-481
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Exoplanet Name : Kepler-481 b
Alternate Name : "2MASS J19273768+4915433 b, K00173.01, KIC 11402995 b, KOI-173 b, KOI-173.01, WISE J192737.67+491543.4 b"
Status : Confirmed
Radius (Rjup / Re): 0.2230 (Rjup) 2.4996 (Rearth)
Mass (Mjup / Me): 0.0195 (Mjup) 6.1849 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0915 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0275
Orbital Period(Observed/Estimated) 10.06 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.9899
Star Radiation at Atmospheric Boundary: 239781.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 987.6 (K)
Blackbody T 0.3(K) 927.5 (K)
Blackbody T 0.7(K) 750.4 (K)
Tidally Locked Blackbody T 0.1(K) 1174.5 (K)
Tidally Locked Blackbody T 0.3(K) 1103.0 (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-481
Alternate Name : "2MASS J19273768+4915433, KIC 11402995, KOI-173, WISE J192737.67+491543.4"
Star Distance(LY) : 2653.0
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 6.2 (GY)
Temperature : 5676 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 3.2
Apparent Magnitude: 12.7
Right Ascension(RA) 291.9070
Declination (DEC) 49.2621
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 434 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-481%20b/
Kepler-481 b
Kepler-481 b

  • Kepler-481 b is an exoplanet orbiting the star Kepler-481, located about 2653.0 light-years (813.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-481 has apparent magnitude of 12.7, with absolute magnitude of 3.2.
  • It is 1.0 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5676 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-481 b orbits around the star Kepler-481 every 10.1 days with its orbital distance of 0.09 AU ( 13689727.5 km)
  • (Projected orbit of Kepler-481 b around its host star Kepler-481)


  • The Star Kepler-481 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.877 AU ( 131139198.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.212 AU ( 181268643.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.846 AU ( 276213297.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.717 AU ( 406459967.7 km)
  • Radiation at Planetary Boundary of Kepler-481 b : 239781.05 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-481)



  • Kopparapu Recent Venus for Star Kepler-481 distance : 0.914 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-481 distance : 1.158 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-481 distance : 1.118 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-481 distance : 1.226 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-481 distance : 2.050 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-481 distance : 2.162 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-481)



  • Original Kopparapu Recent Venus for Star Kepler-481 distance : 0.913 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-481 distance : 1.190 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-481 distance : 1.209 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-481 distance : 2.086 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-481 distance : 2.169 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-481)



    (Position in Stellar Map of star Kepler-481 and its Exoplanet Kepler-481 b)



    (Zoomed position in Stellar Map of star Kepler-481 and its Exoplanet Kepler-481 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-481*)
    *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