Imaginary Picture of K2-95 b

Display orbital revolution of K2-95 b around the hoststar K2-95
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Exoplanet Name : K2-95 b
Alternate Name : "JS 183 b, EPIC 211916756 b, 2MASS J08372705+1858360, 2MASS
Radius (Rjup / Re): 0.3460 (Rjup) 3.8783 (Rearth)
Mass (Mjup / Me): 1.6700 (Mjup) 530.9565 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0696 (AU) 0.0696 (AU Est.)
Eccentricity : 0.1600
Orbital Period(Yrs) 0.0277
Orbital Period(Observed/Estimated) 10.13 (Days Obs.) 10.11 (Days Est.)
Surface Gravity (G Earth) 35.2999
Star Radiation at Atmospheric Boundary: 7076.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 409.4 (K)
Blackbody T 0.3(K) 384.4 (K)
Blackbody T 0.7(K) 311.0 (K)
Tidally Locked Blackbody T 0.1(K) 486.8 (K)
Tidally Locked Blackbody T 0.3(K) 457.2 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Theoretical
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : K2-95
Alternate Name : "EPIC 211916756, JS 183, 2MASS J08372705+1858360, WISE J083727.0bZQIg~52@ bѡ@
Star Distance(LY) : 589.1
Stellar Radius(Rsun) : 0.4 (Rsun Measured)
Stellar Mass(Msun) : 0.4 (Msun Measured) 0.4 (Msun Estimated)
Star Age : 0.8 (GY)
Temperature : 3548 (K)
Spectral type : M3.0
UV portion[%]: 0.3
Visible portion[%]: 15.6
IR portion[%]: 84.1
Metalicity : -0.0
Absolute Magnitude: 10.8
Apparent Magnitude: 17.1
Right Ascension(RA) 129.3627
Declination (DEC) 18.9767
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+211916756&submit=SIMBAD+search
Open Exoplanet Database Link
K2-95 b
K2-95 b

  • K2-95 b is an exoplanet orbiting the star K2-95, located about 589.1 light-years (180.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star K2-95 has apparent magnitude of 17.1, with absolute magnitude of 10.8.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3548 with its spectral types of M3.0
  • In this planetary system, the extrasolar planet K2-95 b orbits around the star K2-95 every 10.1 days with its orbital distance of 0.07 AU ( 10412011.8 km)
  • (Projected orbit of K2-95 b around its host star K2-95)


  • The Star K2-95 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.115 AU ( 17134625.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.158 AU ( 23684530.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.241 AU ( 36089983.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.355 AU ( 53107991.6 km)
  • Radiation at Planetary Boundary of K2-95 b : 7076.51 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-95)



  • Kopparapu Recent Venus for Star K2-95 distance : 0.129 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star K2-95 distance : 0.164 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star K2-95 distance : 0.158 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star K2-95 distance : 0.174 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-95 distance : 0.318 AU
  • Kopparapu Outer Boundary for Early Mars for Star K2-95 distance : 0.335 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-95)



  • Original Kopparapu Recent Venus for Star K2-95 distance : 0.128 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-95 distance : 0.169 AU
  • Original Kopparapu Moist Greenhouse for Star K2-95 distance : 0.170 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-95 distance : 0.323 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-95 distance : 0.336 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-95)



    (Position in Stellar Map of star K2-95 and its Exoplanet K2-95 b)



    (Zoomed position in Stellar Map of star K2-95 and its Exoplanet K2-95 b (zoom level 3))

    (Synthetic Spectrum of star K2-95*)
    *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