Imaginary Picture of K2-214 b

Display orbital revolution of K2-214 b around the hoststar K2-214
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Exoplanet Name : K2-214 b
Alternate Name : "2MASS J00593025+0413402 b, EPIC 220376054 b, EPIC 220376054.01, TYC 15-882-1 b, WISE J005930.24+041340.0 b"
Status : Confirmed
Radius (Rjup / Re): 0.2170 (Rjup) 2.4324 (Rearth)
Mass (Mjup / Me): 0.0190 (Mjup) 6.0300 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0834 (AU) 0.0834 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0235
Orbital Period(Observed/Estimated) 8.60 (Days Obs.) 8.59 (Days Est.)
Surface Gravity (G Earth) 1.0192
Star Radiation at Atmospheric Boundary: 333957.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1072.9 (K)
Blackbody T 0.3(K) 1007.6 (K)
Blackbody T 0.7(K) 815.2 (K)
Tidally Locked Blackbody T 0.1(K) 1275.9 (K)
Tidally Locked Blackbody T 0.3(K) 1198.2 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : K2-214
Alternate Name : "2MASS J00593025+0413402, EPIC 220376054, TYC 15-882-1, WISE J005930.24+041340.0"
Star Distance(LY) : 1013.8
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5854 (K)
Spectral type : G2
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 3.1
Apparent Magnitude: 10.6
Right Ascension(RA) 14.8761
Declination (DEC) 4.2278
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=K2-214&submit=SIMBAD+search
Open Exoplanet Database Link
K2-214 b
K2-214 b

  • K2-214 b is an exoplanet orbiting the star K2-214, located about 1013.8 light-years (310.8 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star K2-214 has apparent magnitude of 10.6, with absolute magnitude of 3.1.
  • It is 1.1 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5854 with its spectral types of G2
  • In this planetary system, the extrasolar planet K2-214 b orbits around the star K2-214 every 8.6 days with its orbital distance of 0.08 AU ( 12476462.4 km)
  • (Projected orbit of K2-214 b around its host star K2-214)


  • The Star K2-214 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.943 AU ( 141048109.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.303 AU ( 194965347.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.986 AU ( 297084044.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.922 AU ( 437172185.2 km)
  • Radiation at Planetary Boundary of K2-214 b : 333957.36 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-214)



  • Kopparapu Recent Venus for Star K2-214 distance : 0.973 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star K2-214 distance : 1.232 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star K2-214 distance : 1.190 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star K2-214 distance : 1.304 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-214 distance : 2.171 AU
  • Kopparapu Outer Boundary for Early Mars for Star K2-214 distance : 2.290 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-214)



  • Original Kopparapu Recent Venus for Star K2-214 distance : 0.975 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-214 distance : 1.266 AU
  • Original Kopparapu Moist Greenhouse for Star K2-214 distance : 1.291 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-214 distance : 2.209 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-214 distance : 2.298 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-214)



    (Position in Stellar Map of star K2-214 and its Exoplanet K2-214 b)



    (Zoomed position in Stellar Map of star K2-214 and its Exoplanet K2-214 b (zoom level 3))

    (Synthetic Spectrum of star K2-214*)
    *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