Imaginary Picture of K2-14 b

Display orbital revolution of K2-14 b around the hoststar K2-14
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Exoplanet Name : K2-14 b
Alternate Name : "EPIC 201635569 b, 2MASS J11521368+0235390 b, EPIC 201635569.01, WISE J115213.65+023538.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.4290 (Rjup) 4.8087 (Rearth)
Mass (Mjup / Me): 0.0774 (Mjup) 24.6061 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0627 (AU) 0.0627 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0229
Orbital Period(Observed/Estimated) 8.37 (Days Obs.) 8.36 (Days Est.)
Surface Gravity (G Earth) 1.0641
Star Radiation at Atmospheric Boundary: 13019.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 476.8 (K)
Blackbody T 0.3(K) 447.7 (K)
Blackbody T 0.7(K) 362.3 (K)
Tidally Locked Blackbody T 0.1(K) 567.0 (K)
Tidally Locked Blackbody T 0.3(K) 532.4 (K)
Size Class: Neptune-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 : K2-14
Alternate Name : "EPIC 201635569, 2MASS J11521368+0235390, WISE J115213.65+023538.9"
Star Distance(LY) : 1172.8
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3789 (K)
Spectral type : M0
UV portion[%]: 0.3
Visible portion[%]: 13.6
IR portion[%]: 86.1
Metalicity : -0.4
Absolute Magnitude: 5.6
Apparent Magnitude: 13.4
Right Ascension(RA) 178.0570
Declination (DEC) 2.5942
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=K2-14&submit=SIMBAD+search
Open Exoplanet Database Link
K2-14 b
K2-14 b

  • K2-14 b is an exoplanet orbiting the star K2-14, located about 1172.8 light-years (359.6 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star K2-14 has apparent magnitude of 13.4, with absolute magnitude of 5.6.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3789 with its spectral types of M0
  • In this planetary system, the extrasolar planet K2-14 b orbits around the star K2-14 every 8.4 days with its orbital distance of 0.06 AU ( 9379786.5 km)
  • (Projected orbit of K2-14 b around its host star K2-14)


  • The Star K2-14 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.140 AU ( 20937259.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.193 AU ( 28940764.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.295 AU ( 44099320.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.434 AU ( 64894081.5 km)
  • Radiation at Planetary Boundary of K2-14 b : 13019.47 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-14)



  • Kopparapu Recent Venus for Star K2-14 distance : 0.157 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star K2-14 distance : 0.199 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star K2-14 distance : 0.192 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star K2-14 distance : 0.212 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-14 distance : 0.382 AU
  • Kopparapu Outer Boundary for Early Mars for Star K2-14 distance : 0.403 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-14)



  • Original Kopparapu Recent Venus for Star K2-14 distance : 0.156 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-14 distance : 0.206 AU
  • Original Kopparapu Moist Greenhouse for Star K2-14 distance : 0.206 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-14 distance : 0.388 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-14 distance : 0.404 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-14)



    (Position in Stellar Map of star K2-14 and its Exoplanet K2-14 b)



    (Zoomed position in Stellar Map of star K2-14 and its Exoplanet K2-14 b (zoom level 3))

    (Synthetic Spectrum of star K2-14*)
    *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