Imaginary Picture of TOI-849 b

Display orbital revolution of TOI-849 b around the hoststar TOI-849
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Exoplanet Name : TOI-849 b
Alternate Name :
Radius (Rjup / Re): 0.3073 (Rjup) 3.4441 (Rearth)
Mass (Mjup / Me): 0.1230 (Mjup) 39.1032 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0160 (AU) 0.0160 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0021
Orbital Period(Observed/Estimated) 0.77 (Days Obs.) 0.77 (Days Est.)
Surface Gravity (G Earth) 3.2966
Star Radiation at Atmospheric Boundary: 3385292.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1914.4 (K)
Blackbody T 0.3(K) 1797.9 (K)
Blackbody T 0.7(K) 1454.7 (K)
Tidally Locked Blackbody T 0.1(K) 2276.7 (K)
Tidally Locked Blackbody T 0.3(K) 2138.0 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-849
Alternate Name : TIC 33595516
Star Distance(LY) : 741.0
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 6.7 (GY)
Temperature : 5375 (K)
Spectral type : G
UV portion[%]: 6.2
Visible portion[%]: 42.2
IR portion[%]: 51.5
Metalicity : 0.2
Absolute Magnitude: 5.2
Apparent Magnitude: 12.0
Right Ascension(RA) 28.7154
Declination (DEC) -29.4217
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=TOI-849+&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-849 b
TOI-849 b

  • TOI-849 b is an exoplanet orbiting the star TOI-849, located about 741.0 light-years (227.2 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star TOI-849 has apparent magnitude of 12.0, with absolute magnitude of 5.2.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5375 with its spectral types of G
  • In this planetary system, the extrasolar planet TOI-849 b orbits around the star TOI-849 every 0.8 days with its orbital distance of 0.02 AU ( 2390574.0 km)
  • (Projected orbit of TOI-849 b around its host star TOI-849)


  • The Star TOI-849 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.575 AU ( 86045975.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.795 AU ( 118938024.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.211 AU ( 181235228.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.783 AU ( 266695577.4 km)
  • Radiation at Planetary Boundary of TOI-849 b : 3385292.18 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-849)



  • Kopparapu Recent Venus for Star TOI-849 distance : 0.610 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-849 distance : 0.773 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-849 distance : 0.746 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-849 distance : 0.819 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-849 distance : 1.381 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-849 distance : 1.457 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-849)



  • Original Kopparapu Recent Venus for Star TOI-849 distance : 0.607 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-849 distance : 0.795 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-849 distance : 0.803 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-849 distance : 1.405 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-849 distance : 1.461 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-849)



    (Position in Stellar Map of star TOI-849 and its Exoplanet TOI-849 b)



    (Zoomed position in Stellar Map of star TOI-849 and its Exoplanet TOI-849 b (zoom level 3))

    (Synthetic Spectrum of star TOI-849*)
    *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