Imaginary Picture of TOI-905 b

Display orbital revolution of TOI-905 b around the hoststar TOI-905
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Exoplanet Name : TOI-905 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.1710 (Rjup) 13.1257 (Rearth)
Mass (Mjup / Me): 0.6670 (Mjup) 212.0646 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0467 (AU) 0.0467 (AU Est.)
Eccentricity : 0.0240
Orbital Period(Yrs) 0.0102
Orbital Period(Observed/Estimated) 3.74 (Days Obs.) 3.99 (Days Est.)
Surface Gravity (G Earth) 1.2309
Star Radiation at Atmospheric Boundary: 577601.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1230.4 (K)
Blackbody T 0.3(K) 1155.5 (K)
Blackbody T 0.7(K) 934.9 (K)
Tidally Locked Blackbody T 0.1(K) 1463.2 (K)
Tidally Locked Blackbody T 0.3(K) 1374.1 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Spectrum
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-905
Alternate Name :
Star Distance(LY) : 519.9
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 3.4 (GY)
Temperature : 5300 (K)
Spectral type : K0
UV portion[%]: 5.8
Visible portion[%]: 41.4
IR portion[%]: 52.8
Metalicity : 0.2
Absolute Magnitude: 5.2
Apparent Magnitude: 11.2
Right Ascension(RA) 227.6583
Declination (DEC) -71.3617
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
TOI-905 b
TOI-905 b

  • TOI-905 b is an exoplanet orbiting the star TOI-905, located about 519.9 light-years (159.4 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star TOI-905 has apparent magnitude of 11.2, with absolute magnitude of 5.2.
  • It is 0.8 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5300 with its spectral types of K0
  • In this planetary system, the extrasolar planet TOI-905 b orbits around the star TOI-905 every 3.7 days with its orbital distance of 0.05 AU ( 6980236.6 km)
  • (Projected orbit of TOI-905 b around its host star TOI-905)


  • The Star TOI-905 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.694 AU ( 103780247.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.959 AU ( 143451423.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.461 AU ( 218588223.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.150 AU ( 321662146.6 km)
  • Radiation at Planetary Boundary of TOI-905 b : 577601.78 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-905)



  • Kopparapu Recent Venus for Star TOI-905 distance : 0.739 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-905 distance : 0.936 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-905 distance : 0.904 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-905 distance : 0.991 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-905 distance : 1.677 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-905 distance : 1.769 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-905)



  • Original Kopparapu Recent Venus for Star TOI-905 distance : 0.734 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-905 distance : 0.963 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-905 distance : 0.971 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-905 distance : 1.706 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-905 distance : 1.774 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-905)



    (Position in Stellar Map of star TOI-905 and its Exoplanet TOI-905 b)



    (Zoomed position in Stellar Map of star TOI-905 and its Exoplanet TOI-905 b (zoom level 3))

    (Synthetic Spectrum of star TOI-905*)
    *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