Imaginary Picture of GJ 179 c
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Exoplanet Name : GJ 179 c
Alternate Name :
Radius (Rjup / Re): 0.1356 (Rjup) 1.5202 (Rearth)
Mass (Mjup / Me): 0.0154 (Mjup) 4.8962 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0320 (AU) 0.0320 (AU Est.)
Eccentricity : 0.0400
Orbital Period(Yrs) 0.0095
Orbital Period(Observed/Estimated) 3.48 (Days Obs.) 3.50 (Days Est.)
Star Radiation at Atmospheric Boundary: 22304.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 545.4 (K)
Blackbody T 0.3(K) 512.2 (K)
Blackbody T 0.7(K) 414.4 (K)
Tidally Locked Blackbody T 0.1(K) 648.6 (K)
Tidally Locked Blackbody T 0.3(K) 609.1 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : GJ 179
Alternate Name :
Star Distance(LY) : 40.4
Stellar Radius(Rsun) : 0.4 (Rsun Measured)
Stellar Mass(Msun) : 0.4 (Msun Measured) 0.4 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3370 (K)
Spectral type : M3.5
Metalicity : 0.3
Absolute Magnitude: 11.5
Apparent Magnitude: 12.0
Right Ascension(RA) 73.0239
Declination (DEC) 6.4767
Hubble Space Telescope Guide Star Catalog (GSC) ID 00096-00602
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=GJ+179+&submit=SIMBAD+search
Open Exoplanet Database Link 0
GJ 179 c
GJ 179 c

  • GJ 179 c is an exoplanet orbiting the star GJ 179, located about 40.4 light-years (12.4 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star GJ 179 has apparent magnitude of 12.0, with absolute magnitude of 11.5.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3370 with its spectral types of M3.5
  • In this planetary system, the extrasolar planet GJ 179 c orbits around the star GJ 179 every 3.5 days with its orbital distance of 0.03 AU ( 4787131.9 km)
  • (Projected orbit of GJ 179 c around its host star GJ 179)


  • The Star GJ 179 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.093 AU ( 13986257.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.129 AU ( 19332662.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.197 AU ( 29458699.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.290 AU ( 43349766.6 km)
  • Radiation at Planetary Boundary of GJ 179 c : 22304.46 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 179)



  • Kopparapu Recent Venus for Star GJ 179 distance : 0.106 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star GJ 179 distance : 0.134 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star GJ 179 distance : 0.129 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star GJ 179 distance : 0.142 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 179 distance : 0.262 AU
  • Kopparapu Outer Boundary for Early Mars for Star GJ 179 distance : 0.277 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 179)



  • Original Kopparapu Recent Venus for Star GJ 179 distance : 0.105 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 179 distance : 0.139 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 179 distance : 0.139 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 179 distance : 0.266 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 179 distance : 0.277 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 179)



    (Position in Stellar Map of star GJ 179 and its Exoplanet GJ 179 c)



    (Zoomed position in Stellar Map of star GJ 179 and its Exoplanet GJ 179 c (zoom level 3))