Imaginary Picture of EPIC 201757695 b

Display orbital revolution of EPIC 201757695 b around the hoststar EPIC 201757695
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Exoplanet Name : EPIC 201757695 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.0810 (Rjup) 0.9080 (Rearth)
Mass (Mjup / Me): 0.0022 (Mjup) 0.6938 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0296 (AU) 0.0296 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0056
Orbital Period(Observed/Estimated) 2.05 (Days Obs.) 1.69 (Days Est.)
Surface Gravity (G Earth) 0.8414
Star Radiation at Atmospheric Boundary: 31200.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 593.2 (K)
Blackbody T 0.3(K) 557.1 (K)
Blackbody T 0.7(K) 450.7 (K)
Tidally Locked Blackbody T 0.1(K) 705.4 (K)
Tidally Locked Blackbody T 0.3(K) 662.5 (K)
Size Class: 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 : EPIC 201757695
Alternate Name :
Star Distance(LY) : 1912.8
Stellar Radius(Rsun) : 0.4 (Rsun Estimated)
Stellar Mass(Msun) : 1.2 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3300 (K)
Spectral type : M9
UV portion[%]: 0.2
Visible portion[%]: 11.2
IR portion[%]: 88.6
Metalicity : 0.0
Absolute Magnitude: 13.2
Apparent Magnitude: 22.0
Right Ascension(RA) 173.9385
Declination (DEC) 4.6164
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=EPIC+201757695+&submit=SIMBAD+search
Open Exoplanet Database Link
EPIC 201757695 b
EPIC 201757695 b

  • EPIC 201757695 b is an exoplanet orbiting the star EPIC 201757695, located about 1912.8 light-years (586.5 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star EPIC 201757695 has apparent magnitude of 22.0, with absolute magnitude of 13.2.
  • It is 1.2 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
  • In this planetary system, the extrasolar planet EPIC 201757695 b orbits around the star EPIC 201757695 every 2.0 days with its orbital distance of 0.03 AU ( 4428097.0 km)
  • (Projected orbit of EPIC 201757695 b around its host star EPIC 201757695)


  • The Star EPIC 201757695 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.102 AU ( 15301294.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.141 AU ( 21150388.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.215 AU ( 32228511.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.317 AU ( 47425666.0 km)
  • Radiation at Planetary Boundary of EPIC 201757695 b : 31200.50 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 201757695)



  • Kopparapu Recent Venus for Star EPIC 201757695 distance : 0.116 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 201757695 distance : 0.147 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 201757695 distance : 0.142 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 201757695 distance : 0.156 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 201757695 distance : 0.288 AU
  • Kopparapu Outer Boundary for Early Mars for Star EPIC 201757695 distance : 0.304 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 201757695)



  • Original Kopparapu Recent Venus for Star EPIC 201757695 distance : 0.115 AU
  • Original Kopparapu Runaway Greenhouse for Star EPIC 201757695 distance : 0.152 AU
  • Original Kopparapu Moist Greenhouse for Star EPIC 201757695 distance : 0.152 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 201757695 distance : 0.293 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star EPIC 201757695 distance : 0.304 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 201757695)



    (Position in Stellar Map of star EPIC 201757695 and its Exoplanet EPIC 201757695 b)



    (Zoomed position in Stellar Map of star EPIC 201757695 and its Exoplanet EPIC 201757695 b (zoom level 3))

    (Synthetic Spectrum of star EPIC 201757695*)
    *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