Imaginary Picture of EPIC 201295312 b

Display orbital revolution of EPIC 201295312 b around the hoststar EPIC 201295312
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Exoplanet Name : EPIC 201295312 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2450 (Rjup) 2.7462 (Rearth)
Mass (Mjup / Me): 0.0379 (Mjup) 12.0499 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0647 (AU Est.)
Eccentricity : 0.1200
Orbital Period(Yrs) 0.0155
Orbital Period(Observed/Estimated) 5.66 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.5978
Star Radiation at Atmospheric Boundary: 781595.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1327.1 (K)
Blackbody T 0.3(K) 1246.2 (K)
Blackbody T 0.7(K) 1008.3 (K)
Tidally Locked Blackbody T 0.1(K) 1578.1 (K)
Tidally Locked Blackbody T 0.3(K) 1482.0 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : EPIC 201295312
Alternate Name :
Star Distance(LY) : 1079.6
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5830 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 4.9
Apparent Magnitude: 12.5
Right Ascension(RA) 174.0116
Declination (DEC) -2.5208
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors " Benjamin T. Montet, Timothy D. Morton, Daniel Foreman-Mackey, John Asher Johnson, David W. Hogg, Brendan P. Bowler, David W. Latham, Allyson Bieryla, Andrew W. Mann"
Discovery Paper - Title "STELLAR AND PLANETARY PROPERTIES OF K2 CAMPAIGN 1 CANDIDATES AND VALIDATION OF 18 SYSTEMS, INCLUDING A PLANET RECEIVING EARTH-LIKE INSOLATION"
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=EPIC+201295312+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/EPIC%20201295312%20b/
EPIC 201295312 b
EPIC 201295312 b

  • EPIC 201295312 b is an exoplanet orbiting the star EPIC 201295312, located about 1079.6 light-years (331.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star EPIC 201295312 has apparent magnitude of 12.5, with absolute magnitude of 4.9.
  • It is 1.1 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5830 with its spectral types of G2
  • In this planetary system, the extrasolar planet EPIC 201295312 b orbits around the star EPIC 201295312 every 5.7 days with its orbital distance of 0.06 AU ( 9680942.5 km)
  • (Projected orbit of EPIC 201295312 b around its host star EPIC 201295312)


  • The Star EPIC 201295312 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.119 AU ( 167432133.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.547 AU ( 231434963.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.357 AU ( 352655667.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.469 AU ( 518948263.2 km)
  • Radiation at Planetary Boundary of EPIC 201295312 b : 781594.96 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 201295312)



  • Kopparapu Recent Venus for Star EPIC 201295312 distance : 1.156 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 201295312 distance : 1.464 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 201295312 distance : 1.414 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 201295312 distance : 1.551 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 201295312 distance : 2.582 AU
  • Kopparapu Outer Boundary for Early Mars for Star EPIC 201295312 distance : 2.724 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 201295312)



  • Original Kopparapu Recent Venus for Star EPIC 201295312 distance : 1.159 AU
  • Original Kopparapu Runaway Greenhouse for Star EPIC 201295312 distance : 1.505 AU
  • Original Kopparapu Moist Greenhouse for Star EPIC 201295312 distance : 1.534 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 201295312 distance : 2.628 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star EPIC 201295312 distance : 2.733 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 201295312)



    (Position in Stellar Map of star EPIC 201295312 and its Exoplanet EPIC 201295312 b)



    (Zoomed position in Stellar Map of star EPIC 201295312 and its Exoplanet EPIC 201295312 b (zoom level 3))

    (Synthetic Spectrum of star EPIC 201295312*)
    *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