Imaginary Picture of HD 94834 b

Display orbital revolution of HD 94834 b around the hoststar HD 94834
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Exoplanet Name : HD 94834 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.2420 (Rjup) 13.9216 (Rearth)
Mass (Mjup / Me): 1.2600 (Mjup) 400.6019 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.7400 (AU) 2.7400 (AU Est.)
Eccentricity : 0.1400
Orbital Period(Yrs) 4.3147
Orbital Period(Observed/Estimated) 1576.00 (Days Obs.) 1572.37 (Days Est.)
Surface Gravity (G Earth) 2.0670
Star Radiation at Atmospheric Boundary: 1527.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 279.0 (K)
Blackbody T 0.3(K) 262.0 (K)
Blackbody T 0.7(K) 212.0 (K)
Tidally Locked Blackbody T 0.1(K) 331.8 (K)
Tidally Locked Blackbody T 0.3(K) 311.6 (K)
Size Class: Super-Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection : Theoretical
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 94834
Alternate Name :
Star Distance(LY) : 264.2
Stellar Radius(Rsun) : 4.2 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4798 (K)
Spectral type : K1
UV portion[%]: 2.4
Visible portion[%]: 35.4
IR portion[%]: 62.1
Metalicity : 0.0
Absolute Magnitude: 3.1
Apparent Magnitude: 7.6
Right Ascension(RA) 164.3130
Declination (DEC) 24.1428
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
HD 94834 b
HD 94834 b

  • HD 94834 b is an exoplanet orbiting the star HD 94834, located about 264.2 light-years (81.0 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star HD 94834 has apparent magnitude of 7.6, with absolute magnitude of 3.1.
  • It is 1.1 times more massive and 4.2 times bigger compared with our Sun. The surface temperature is 4798 with its spectral types of K1
  • In this planetary system, the extrasolar planet HD 94834 b orbits around the star HD 94834 every 1576.0 days with its orbital distance of 2.74 AU ( 409898165.7 km)
  • (Projected orbit of HD 94834 b around its host star HD 94834)


  • The Star HD 94834 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.095 AU ( 313348694.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.895 AU ( 433129784.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.412 AU ( 659993939.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.492 AU ( 971209994.5 km)
  • Radiation at Planetary Boundary of HD 94834 b : 1527.01 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 94834)



  • Kopparapu Recent Venus for Star HD 94834 distance : 2.287 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 94834 distance : 2.895 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 94834 distance : 2.796 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 94834 distance : 3.070 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 94834 distance : 5.291 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 94834 distance : 5.582 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 94834)



  • Original Kopparapu Recent Venus for Star HD 94834 distance : 2.259 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 94834 distance : 2.986 AU
  • Original Kopparapu Moist Greenhouse for Star HD 94834 distance : 2.989 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 94834 distance : 5.379 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 94834 distance : 5.594 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 94834)



    (Position in Stellar Map of star HD 94834 and its Exoplanet HD 94834 b)



    (Zoomed position in Stellar Map of star HD 94834 and its Exoplanet HD 94834 b (zoom level 3))

    (Synthetic Spectrum of star HD 94834*)
    *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