Imaginary Picture of TOI-1199 b

Display orbital revolution of TOI-1199 b around the hoststar TOI-1199
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Exoplanet Name : TOI-1199 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9380 (Rjup) 10.5140 (Rearth)
Mass (Mjup / Me): 0.2390 (Mjup) 75.9872 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0499 (AU) 0.0499 (AU Est.)
Eccentricity : 0.0300
Orbital Period(Yrs) 0.0101
Orbital Period(Observed/Estimated) 3.67 (Days Obs.) 3.67 (Days Est.)
Surface Gravity (G Earth) 0.6874
Star Radiation at Atmospheric Boundary: 1101621.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1445.9 (K)
Blackbody T 0.3(K) 1357.9 (K)
Blackbody T 0.7(K) 1098.7 (K)
Tidally Locked Blackbody T 0.1(K) 1719.5 (K)
Tidally Locked Blackbody T 0.3(K) 1614.8 (K)
Size Class: Jupiter-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-1199
Alternate Name :
Star Distance(LY) : 805.6
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 4.2 (GY)
Temperature : 5710 (K)
Spectral type : G4
UV portion[%]: 7.6
Visible portion[%]: 44.5
IR portion[%]: 47.9
Metalicity : 0.4
Absolute Magnitude: 4.0
Apparent Magnitude: 11.0
Right Ascension(RA) 166.8806
Declination (DEC) 61.3526
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-1199 b
TOI-1199 b

  • TOI-1199 b is an exoplanet orbiting the star TOI-1199, located about 805.6 light-years (247.0 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-1199 has apparent magnitude of 11.0, with absolute magnitude of 4.0.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5710 with its spectral types of G4
  • In this planetary system, the extrasolar planet TOI-1199 b orbits around the star TOI-1199 every 3.7 days with its orbital distance of 0.05 AU ( 7461941.8 km)
  • (Projected orbit of TOI-1199 b around its host star TOI-1199)


  • The Star TOI-1199 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.024 AU ( 153213957.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.416 AU ( 211781729.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.157 AU ( 322708488.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.174 AU ( 474879677.2 km)
  • Radiation at Planetary Boundary of TOI-1199 b : 1101621.39 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1199)



  • Kopparapu Recent Venus for Star TOI-1199 distance : 1.066 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1199 distance : 1.350 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1199 distance : 1.304 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1199 distance : 1.429 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1199 distance : 2.388 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1199 distance : 2.519 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1199)



  • Original Kopparapu Recent Venus for Star TOI-1199 distance : 1.066 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1199 distance : 1.387 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1199 distance : 1.410 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1199 distance : 2.430 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1199 distance : 2.527 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1199)



    (Position in Stellar Map of star TOI-1199 and its Exoplanet TOI-1199 b)



    (Zoomed position in Stellar Map of star TOI-1199 and its Exoplanet TOI-1199 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1199*)
    *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