Imaginary Picture of Kepler-1755 b

Display orbital revolution of Kepler-1755 b around the hoststar Kepler-1755
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Exoplanet Name : Kepler-1755 b
Alternate Name : "KOI-1573 b, KOI-1573.01"
Status : Confirmed
Radius (Rjup / Re): 0.5279 (Rjup) 5.9169 (Rearth)
Mass (Mjup / Me): 0.1442 (Mjup) 45.8416 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1668 (AU) 0.1668 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0679
Orbital Period(Observed/Estimated) 24.81 (Days Obs.) 22.71 (Days Est.)
Surface Gravity (G Earth) 1.3094
Star Radiation at Atmospheric Boundary: 91770.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 776.8 (K)
Blackbody T 0.3(K) 729.5 (K)
Blackbody T 0.7(K) 590.3 (K)
Tidally Locked Blackbody T 0.1(K) 923.8 (K)
Tidally Locked Blackbody T 0.3(K) 867.5 (K)
Size Class: sub-Jupiter-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-1755
Alternate Name : "5031857, KOI-1573"
Star Distance(LY) : 3204.1
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.3 (GY)
Temperature : 6229 (K)
Spectral type : F8V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.3
Absolute Magnitude: 4.6
Apparent Magnitude: 14.5
Right Ascension(RA) 296.8462
Declination (DEC) 40.1386
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-1755 b
Kepler-1755 b

  • Kepler-1755 b is an exoplanet orbiting the star Kepler-1755, located about 3204.1 light-years (982.4 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1755 has apparent magnitude of 14.5, with absolute magnitude of 4.6.
  • It is 1.2 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6229 with its spectral types of F8V
  • In this planetary system, the extrasolar planet Kepler-1755 b orbits around the star Kepler-1755 every 24.8 days with its orbital distance of 0.17 AU ( 24952924.8 km)
  • (Projected orbit of Kepler-1755 b around its host star Kepler-1755)


  • The Star Kepler-1755 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.989 AU ( 147877498.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.366 AU ( 204405348.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.082 AU ( 311468515.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.064 AU ( 458339565.6 km)
  • Radiation at Planetary Boundary of Kepler-1755 b : 91769.99 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1755)



  • Kopparapu Recent Venus for Star Kepler-1755 distance : 0.997 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1755 distance : 1.262 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1755 distance : 1.219 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1755 distance : 1.336 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1755 distance : 2.206 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1755 distance : 2.327 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1755)



  • Original Kopparapu Recent Venus for Star Kepler-1755 distance : 1.008 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1755 distance : 1.295 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1755 distance : 1.333 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1755 distance : 2.246 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1755 distance : 2.336 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1755)



    (Position in Stellar Map of star Kepler-1755 and its Exoplanet Kepler-1755 b)



    (Zoomed position in Stellar Map of star Kepler-1755 and its Exoplanet Kepler-1755 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1755*)
    *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