Imaginary Picture of TOI-1194 b

Display orbital revolution of TOI-1194 b around the hoststar TOI-1194
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Exoplanet Name : TOI-1194 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.7670 (Rjup) 8.5973 (Rearth)
Mass (Mjup / Me): 0.4560 (Mjup) 144.9797 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0343 (AU) 0.0343 (AU Est.)
Eccentricity : 0.0760
Orbital Period(Yrs) 0.0063
Orbital Period(Observed/Estimated) 2.31 (Days Obs.) 2.32 (Days Est.)
Surface Gravity (G Earth) 1.9615
Star Radiation at Atmospheric Boundary: 786021.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1328.9 (K)
Blackbody T 0.3(K) 1248.0 (K)
Blackbody T 0.7(K) 1009.8 (K)
Tidally Locked Blackbody T 0.1(K) 1580.4 (K)
Tidally Locked Blackbody T 0.3(K) 1484.1 (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-1194
Alternate Name :
Star Distance(LY) : 484.3
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5340 (K)
Spectral type : K0
UV portion[%]: 6.0
Visible portion[%]: 41.9
IR portion[%]: 52.1
Metalicity : 0.3
Absolute Magnitude: 5.3
Apparent Magnitude: 11.2
Right Ascension(RA) 167.8208
Declination (DEC) 69.9647
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-1194 b
TOI-1194 b

  • TOI-1194 b is an exoplanet orbiting the star TOI-1194, located about 484.3 light-years (148.5 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star TOI-1194 has apparent magnitude of 11.2, with absolute magnitude of 5.3.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5340 with its spectral types of K0
  • In this planetary system, the extrasolar planet TOI-1194 b orbits around the star TOI-1194 every 2.3 days with its orbital distance of 0.03 AU ( 5131207.0 km)
  • (Projected orbit of TOI-1194 b around its host star TOI-1194)


  • The Star TOI-1194 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.595 AU ( 88995267.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.822 AU ( 123014717.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.253 AU ( 187447205.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.844 AU ( 275836775.0 km)
  • Radiation at Planetary Boundary of TOI-1194 b : 786021.04 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1194)



  • Kopparapu Recent Venus for Star TOI-1194 distance : 0.632 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1194 distance : 0.801 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1194 distance : 0.773 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1194 distance : 0.848 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1194 distance : 1.433 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1194 distance : 1.512 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1194)



  • Original Kopparapu Recent Venus for Star TOI-1194 distance : 0.628 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1194 distance : 0.824 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1194 distance : 0.831 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1194 distance : 1.458 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1194 distance : 1.516 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1194)



    (Position in Stellar Map of star TOI-1194 and its Exoplanet TOI-1194 b)



    (Zoomed position in Stellar Map of star TOI-1194 and its Exoplanet TOI-1194 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1194*)
    *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