Imaginary Picture of GJ 3082 b

Display orbital revolution of GJ 3082 b around the hoststar GJ 3082
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Exoplanet Name : GJ 3082 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1572 (Rjup) 1.7619 (Rearth)
Mass (Mjup / Me): 0.0276 (Mjup) 8.7719 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0790 (AU) 0.0790 (AU Est.)
Eccentricity : 0.2600
Orbital Period(Yrs) 0.0327
Orbital Period(Observed/Estimated) 11.94 (Days Obs.) 11.83 (Days Est.)
Surface Gravity (G Earth) 2.8257
Star Radiation at Atmospheric Boundary: 5882.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 390.9 (K)
Blackbody T 0.3(K) 367.1 (K)
Blackbody T 0.7(K) 297.0 (K)
Tidally Locked Blackbody T 0.1(K) 464.8 (K)
Tidally Locked Blackbody T 0.3(K) 436.5 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Spectrum
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : GJ 3082
Alternate Name : HIP 5812
Star Distance(LY) : 54.2
Stellar Radius(Rsun) : 0.4 (Rsun Estimated)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3500 (K)
Spectral type : M3V
UV portion[%]: 0.3
Visible portion[%]: 14.5
IR portion[%]: 85.2
Metalicity : 0.0
Absolute Magnitude: 10.0
Apparent Magnitude: 11.1
Right Ascension(RA) 18.6425
Declination (DEC) -53.9422
Hubble Space Telescope Guide Star Catalog (GSC) ID
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=GJ+3082+&submit=SIMBAD+search
Open Exoplanet Database Link
GJ 3082 b
GJ 3082 b

  • GJ 3082 b is an exoplanet orbiting the star GJ 3082, located about 54.2 light-years (16.6 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star GJ 3082 has apparent magnitude of 11.1, with absolute magnitude of 10.0.
  • It is 0.5 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3500 with its spectral types of M3V
  • In this planetary system, the extrasolar planet GJ 3082 b orbits around the star GJ 3082 every 11.9 days with its orbital distance of 0.08 AU ( 11818231.8 km)
  • (Projected orbit of GJ 3082 b around its host star GJ 3082)


  • The Star GJ 3082 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.119 AU ( 17732908.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.164 AU ( 24511513.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.250 AU ( 37350122.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.367 AU ( 54962341.0 km)
  • Radiation at Planetary Boundary of GJ 3082 b : 5882.94 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 3082)



  • Kopparapu Recent Venus for Star GJ 3082 distance : 0.134 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star GJ 3082 distance : 0.169 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star GJ 3082 distance : 0.164 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star GJ 3082 distance : 0.180 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 3082 distance : 0.330 AU
  • Kopparapu Outer Boundary for Early Mars for Star GJ 3082 distance : 0.348 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 3082)



  • Original Kopparapu Recent Venus for Star GJ 3082 distance : 0.133 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 3082 distance : 0.175 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 3082 distance : 0.176 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 3082 distance : 0.335 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 3082 distance : 0.348 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 3082)



    (Position in Stellar Map of star GJ 3082 and its Exoplanet GJ 3082 b)



    (Zoomed position in Stellar Map of star GJ 3082 and its Exoplanet GJ 3082 b (zoom level 3))

    (Synthetic Spectrum of star GJ 3082*)
    *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