Imaginary Picture of Wolf 359 b
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Exoplanet Name : Wolf 359 b
Alternate Name : GJ 406 b
Radius (Rjup / Re): 0.2762 (Rjup) 3.0964 (Rearth)
Mass (Mjup / Me): 0.1381 (Mjup) 43.9072 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.8450 (AU) 1.8450 (AU Est.)
Eccentricity : 0.0400
Orbital Period(Yrs) 8.0436
Orbital Period(Observed/Estimated) 2938.00 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 2.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 53.4 (K)
Blackbody T 0.3(K) 50.1 (K)
Blackbody T 0.7(K) 40.6 (K)
Tidally Locked Blackbody T 0.1(K) 63.5 (K)
Tidally Locked Blackbody T 0.3(K) 59.6 (K)
Size Class: sub-Neptune-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 : Wolf 359
Alternate Name : GJ 406
Star Distance(LY) : 7.9
Stellar Radius(Rsun) : 0.2 (Rsun Estimated)
Stellar Mass(Msun) : 0.0 (Msun Measured) 0.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3100 (K)
Spectral type : M6V
Metalicity : 0.0
Absolute Magnitude: 16.6
Apparent Magnitude: 13.5
Right Ascension(RA) 164.1201
Declination (DEC) 7.0144
Hubble Space Telescope Guide Star Catalog (GSC) ID 00261-00377
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=Wolf+359+&submit=SIMBAD+search
Open Exoplanet Database Link
Wolf 359 b
Wolf 359 b

  • Wolf 359 b is an exoplanet orbiting the star Wolf 359, located about 7.9 light-years ( 2.4 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star Wolf 359 has apparent magnitude of 13.5, with absolute magnitude of 16.6.
  • In this planetary system, the extrasolar planet Wolf 359 b orbits around the star Wolf 359 every 2938.0 days with its orbital distance of 1.84 AU ( 276008071.4 km)
  • (Projected orbit of Wolf 359 b around its host star Wolf 359)


  • The Star Wolf 359 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.052 AU ( 7726775.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.071 AU ( 10680422.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.109 AU ( 16274600.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.160 AU ( 23948787.4 km)
  • Radiation at Planetary Boundary of Wolf 359 b : 2.05 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Wolf 359)



  • Kopparapu Recent Venus for Star Wolf 359 distance : 0.059 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Wolf 359 distance : 0.074 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Wolf 359 distance : 0.072 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Wolf 359 distance : 0.079 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Wolf 359 distance : 0.147 AU
  • Kopparapu Outer Boundary for Early Mars for Star Wolf 359 distance : 0.155 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Wolf 359)



  • Original Kopparapu Recent Venus for Star Wolf 359 distance : 0.058 AU
  • Original Kopparapu Runaway Greenhouse for Star Wolf 359 distance : 0.077 AU
  • Original Kopparapu Moist Greenhouse for Star Wolf 359 distance : 0.077 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Wolf 359 distance : 0.149 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Wolf 359 distance : 0.155 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Wolf 359)



    (Position in Stellar Map of star Wolf 359 and its Exoplanet Wolf 359 b)



    (Zoomed position in Stellar Map of star Wolf 359 and its Exoplanet Wolf 359 b (zoom level 3))