Imaginary Picture of Kepler-1761 b

Display orbital revolution of Kepler-1761 b around the hoststar Kepler-1761
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Exoplanet Name : Kepler-1761 b
Alternate Name : "KOI-1649 b, KOI-1649.01"
Status : Confirmed
Radius (Rjup / Re): 0.1241 (Rjup) 1.3910 (Rearth)
Mass (Mjup / Me): 0.0102 (Mjup) 3.2286 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0413 (AU) 0.0413 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0111
Orbital Period(Observed/Estimated) 4.04 (Days Obs.) 4.00 (Days Est.)
Surface Gravity (G Earth) 1.6685
Star Radiation at Atmospheric Boundary: 53938.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 680.2 (K)
Blackbody T 0.3(K) 638.7 (K)
Blackbody T 0.7(K) 516.8 (K)
Tidally Locked Blackbody T 0.1(K) 808.9 (K)
Tidally Locked Blackbody T 0.3(K) 759.6 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-1761
Alternate Name : "11337141, KOI-1649"
Star Distance(LY) : 721.4
Stellar Radius(Rsun) : 0.6 (Rsun Measured)
Stellar Mass(Msun) : 0.6 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 13.9 (GY)
Temperature : 3802 (K)
Spectral type : M0V
UV portion[%]: 0.3
Visible portion[%]: 13.8
IR portion[%]: 85.9
Metalicity : 0.1
Absolute Magnitude: 8.9
Apparent Magnitude: 15.6
Right Ascension(RA) 284.1329
Declination (DEC) 49.1426
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
Kepler-1761 b
Kepler-1761 b

  • Kepler-1761 b is an exoplanet orbiting the star Kepler-1761, located about 721.4 light-years (221.2 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1761 has apparent magnitude of 15.6, with absolute magnitude of 8.9.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3802 with its spectral types of M0V
  • In this planetary system, the extrasolar planet Kepler-1761 b orbits around the star Kepler-1761 every 4.0 days with its orbital distance of 0.04 AU ( 6178392.1 km)
  • (Projected orbit of Kepler-1761 b around its host star Kepler-1761)


  • The Star Kepler-1761 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.188 AU ( 28070758.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.259 AU ( 38801123.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.395 AU ( 59124325.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.582 AU ( 87004035.1 km)
  • Radiation at Planetary Boundary of Kepler-1761 b : 53938.24 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1761)



  • Kopparapu Recent Venus for Star Kepler-1761 distance : 0.211 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1761 distance : 0.267 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1761 distance : 0.258 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1761 distance : 0.284 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1761 distance : 0.512 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1761 distance : 0.540 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1761)



  • Original Kopparapu Recent Venus for Star Kepler-1761 distance : 0.209 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1761 distance : 0.276 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1761 distance : 0.276 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1761 distance : 0.520 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1761 distance : 0.541 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1761)



    (Position in Stellar Map of star Kepler-1761 and its Exoplanet Kepler-1761 b)



    (Zoomed position in Stellar Map of star Kepler-1761 and its Exoplanet Kepler-1761 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1761*)
    *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