Imaginary Picture of K2-379 b

Display orbital revolution of K2-379 b around the hoststar K2-379
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Exoplanet Name : K2-379 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1946 (Rjup) 2.1810 (Rearth)
Mass (Mjup / Me): 0.0176 (Mjup) 5.5925 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1256 (AU) 0.1256 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0240
Orbital Period(Observed/Estimated) 8.78 (Days Obs.) 17.57 (Days Est.)
Surface Gravity (G Earth) 1.1757
Star Radiation at Atmospheric Boundary: 19682.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 528.6 (K)
Blackbody T 0.3(K) 496.4 (K)
Blackbody T 0.7(K) 401.7 (K)
Tidally Locked Blackbody T 0.1(K) 628.7 (K)
Tidally Locked Blackbody T 0.3(K) 590.4 (K)
Size Class: sub-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 : K2-379
Alternate Name : EPIC 214173069
Star Distance(LY) : 594.3
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 3.4 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4603 (K)
Spectral type : K5V
UV portion[%]: 1.9
Visible portion[%]: 32.8
IR portion[%]: 65.3
Metalicity : -0.0
Absolute Magnitude: 6.9
Apparent Magnitude: 13.2
Right Ascension(RA) 283.0317
Declination (DEC) -27.1807
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
K2-379 b
K2-379 b

  • K2-379 b is an exoplanet orbiting the star K2-379, located about 594.3 light-years (182.2 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star K2-379 has apparent magnitude of 13.2, with absolute magnitude of 6.9.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4603 with its spectral types of K5V
  • In this planetary system, the extrasolar planet K2-379 b orbits around the star K2-379 every 8.8 days with its orbital distance of 0.13 AU ( 18789492.6 km)
  • (Projected orbit of K2-379 b around its host star K2-379)


  • The Star K2-379 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.345 AU ( 51567965.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.476 AU ( 71280404.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.726 AU ( 108615562.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.068 AU ( 159832558.7 km)
  • Radiation at Planetary Boundary of K2-379 b : 19682.00 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-379)



  • Kopparapu Recent Venus for Star K2-379 distance : 0.379 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star K2-379 distance : 0.480 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star K2-379 distance : 0.464 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star K2-379 distance : 0.509 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-379 distance : 0.885 AU
  • Kopparapu Outer Boundary for Early Mars for Star K2-379 distance : 0.934 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-379)



  • Original Kopparapu Recent Venus for Star K2-379 distance : 0.374 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-379 distance : 0.496 AU
  • Original Kopparapu Moist Greenhouse for Star K2-379 distance : 0.495 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-379 distance : 0.900 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-379 distance : 0.936 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-379)



    (Position in Stellar Map of star K2-379 and its Exoplanet K2-379 b)



    (Zoomed position in Stellar Map of star K2-379 and its Exoplanet K2-379 b (zoom level 3))

    (Synthetic Spectrum of star K2-379*)
    *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