Imaginary Picture of Kepler-461 b

Display orbital revolution of Kepler-461 b around the hoststar Kepler-461
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Exoplanet Name : Kepler-461 b
Alternate Name : "2MASS J19285977+4609535 b, K00049.01, KIC 9527334 b, KOI-49 b, KOI-49.01, WISE J192859.77+460953.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.2300 (Rjup) 2.5781 (Rearth)
Mass (Mjup / Me): 0.0200 (Mjup) 6.3653 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0798 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0228
Orbital Period(Observed/Estimated) 8.31 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.9577
Star Radiation at Atmospheric Boundary: 368804.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1099.9 (K)
Blackbody T 0.3(K) 1032.9 (K)
Blackbody T 0.7(K) 835.7 (K)
Tidally Locked Blackbody T 0.1(K) 1308.0 (K)
Tidally Locked Blackbody T 0.3(K) 1228.3 (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-461
Alternate Name : "2MASS J19285977+4609535, KIC 9527334, KOI-49, WISE J192859.77+460953.3"
Star Distance(LY) : 2256.4
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 2.5 (GY)
Temperature : 5779 (K)
Spectral type : G5
UV portion[%]: 7.4
Visible portion[%]: 44.1
IR portion[%]: 48.5
Metalicity : 0.0
Absolute Magnitude: 3.1
Apparent Magnitude: 12.3
Right Ascension(RA) 292.2491
Declination (DEC) 46.1649
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 428 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-461%20b/
Kepler-461 b
Kepler-461 b

  • Kepler-461 b is an exoplanet orbiting the star Kepler-461, located about 2256.4 light-years (691.8 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-461 has apparent magnitude of 12.3, with absolute magnitude of 3.1.
  • It is 1.0 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5779 with its spectral types of G5
  • In this planetary system, the extrasolar planet Kepler-461 b orbits around the star Kepler-461 every 8.3 days with its orbital distance of 0.08 AU ( 11934560.0 km)
  • (Projected orbit of Kepler-461 b around its host star Kepler-461)


  • The Star Kepler-461 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.948 AU ( 141786472.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.310 AU ( 195985957.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.996 AU ( 298639228.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.938 AU ( 439460706.8 km)
  • Radiation at Planetary Boundary of Kepler-461 b : 368804.47 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-461)



  • Kopparapu Recent Venus for Star Kepler-461 distance : 0.982 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-461 distance : 1.244 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-461 distance : 1.201 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-461 distance : 1.317 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-461 distance : 2.197 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-461 distance : 2.317 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-461)



  • Original Kopparapu Recent Venus for Star Kepler-461 distance : 0.984 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-461 distance : 1.278 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-461 distance : 1.301 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-461 distance : 2.235 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-461 distance : 2.324 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-461)



    (Position in Stellar Map of star Kepler-461 and its Exoplanet Kepler-461 b)



    (Zoomed position in Stellar Map of star Kepler-461 and its Exoplanet Kepler-461 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-461*)
    *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