Imaginary Picture of EPIC 212235321 b

Display orbital revolution of EPIC 212235321 b around the hoststar EPIC 212235321
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Exoplanet Name : EPIC 212235321 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 55.0000 (Mjup) 17486.5900 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0020 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0001
Orbital Period(Observed/Estimated) 0.05 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 168.8738
Star Radiation at Atmospheric Boundary: 21505232297.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 17091.4 (K)
Blackbody T 0.3(K) 16050.7 (K)
Blackbody T 0.7(K) 12986.7 (K)
Tidally Locked Blackbody T 0.1(K) 20325.3 (K)
Tidally Locked Blackbody T 0.3(K) 19087.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Other
Mass Detection : Spectrum
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : EPIC 212235321
Alternate Name :
Star Distance(LY) : 1255.7
Stellar Radius(Rsun) : 0.4 (Rsun Estimated)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 24500 (K)
Spectral type : B1
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 14.1
Apparent Magnitude: 22.0
Right Ascension(RA) 330.9192
Declination (DEC) -12.2536
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
EPIC 212235321 b
EPIC 212235321 b

  • EPIC 212235321 b is an exoplanet orbiting the star EPIC 212235321, located about 1255.7 light-years (385.0 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star EPIC 212235321 has apparent magnitude of 22.0, with absolute magnitude of 14.1.
  • It is 0.5 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 24500 with its spectral types of B1
  • In this planetary system, the extrasolar planet EPIC 212235321 b orbits around the star EPIC 212235321 every 0.0 days with its orbital distance of 0.00 AU ( 293721.5 km)
  • (Projected orbit of EPIC 212235321 b around its host star EPIC 212235321)


  • The Star EPIC 212235321 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 5.633 AU ( 842632269.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 7.786 AU ( 1164738001.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 11.864 AU ( 1774802958.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 17.458 AU ( 2611700303.0 km)
  • Radiation at Planetary Boundary of EPIC 212235321 b : 21505232297.63 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 212235321)



  • Kopparapu Recent Venus for Star EPIC 212235321 distance : nan AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 212235321 distance : nan AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 212235321 distance : nan AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 212235321 distance : nan AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 212235321 distance : nan AU
  • Kopparapu Outer Boundary for Early Mars for Star EPIC 212235321 distance : nan AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 212235321)



  • Original Kopparapu Recent Venus for Star EPIC 212235321 distance : nan AU
  • Original Kopparapu Runaway Greenhouse for Star EPIC 212235321 distance : nan AU
  • Original Kopparapu Moist Greenhouse for Star EPIC 212235321 distance : nan AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 212235321 distance : nan AU
  • Original Kopparapu Outer Boundary for Early Mars for Star EPIC 212235321 distance : nan AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 212235321)



    (Position in Stellar Map of star EPIC 212235321 and its Exoplanet EPIC 212235321 b)



    (Zoomed position in Stellar Map of star EPIC 212235321 and its Exoplanet EPIC 212235321 b (zoom level 3))

    (Synthetic Spectrum of star EPIC 212235321*)
    *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