Imaginary Picture of GJ 414 A b

Display orbital revolution of GJ 414 A b around the hoststar GJ 414 A
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Exoplanet Name : GJ 414 A b
Alternate Name :
Radius (Rjup / Re): 0.2632 (Rjup) 2.9502 (Rearth)
Mass (Mjup / Me): 0.0276 (Mjup) 8.7814 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2400 (AU) 0.2400 (AU Est.)
Eccentricity : 0.4800
Orbital Period(Yrs) 0.1391
Orbital Period(Observed/Estimated) 50.82 (Days Obs.) 53.27 (Days Est.)
Star Radiation at Atmospheric Boundary: 2836.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 325.7 (K)
Blackbody T 0.3(K) 305.9 (K)
Blackbody T 0.7(K) 247.5 (K)
Tidally Locked Blackbody T 0.1(K) 387.3 (K)
Tidally Locked Blackbody T 0.3(K) 363.8 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection : Theoretical
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : GJ 414 A
Alternate Name :
Star Distance(LY) : 38.8
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 12.4 (GY)
Temperature : 4120 (K)
Spectral type : K7V
Metalicity : 0.2
Absolute Magnitude: 8.5
Apparent Magnitude: 8.9
Right Ascension(RA) 167.7715
Declination (DEC) 30.4461
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+414+A+&submit=SIMBAD+search
Open Exoplanet Database Link
GJ 414 A b
GJ 414 A b

  • GJ 414 A b is an exoplanet orbiting the star GJ 414 A, located about 38.8 light-years (11.9 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star GJ 414 A has apparent magnitude of 8.9, with absolute magnitude of 8.5.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4120 with its spectral types of K7V
  • In this planetary system, the extrasolar planet GJ 414 A b orbits around the star GJ 414 A every 50.8 days with its orbital distance of 0.24 AU ( 35903489.0 km)
  • (Projected orbit of GJ 414 A b around its host star GJ 414 A)


  • The Star GJ 414 A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.250 AU ( 37407738.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.346 AU ( 51707270.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.527 AU ( 78790438.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.775 AU ( 115943581.1 km)
  • Radiation at Planetary Boundary of GJ 414 A b : 2836.54 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 414 A)



  • Kopparapu Recent Venus for Star GJ 414 A distance : 0.279 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star GJ 414 A distance : 0.354 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star GJ 414 A distance : 0.342 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star GJ 414 A distance : 0.375 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 414 A distance : 0.667 AU
  • Kopparapu Outer Boundary for Early Mars for Star GJ 414 A distance : 0.704 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 414 A)



  • Original Kopparapu Recent Venus for Star GJ 414 A distance : 0.276 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 414 A distance : 0.365 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 414 A distance : 0.365 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 414 A distance : 0.678 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 414 A distance : 0.705 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 414 A)



    (Position in Stellar Map of star GJ 414 A and its Exoplanet GJ 414 A b)



    (Zoomed position in Stellar Map of star GJ 414 A and its Exoplanet GJ 414 A b (zoom level 3))