Imaginary Picture of TOI-1180 b

Display orbital revolution of TOI-1180 b around the hoststar TOI-1180
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Exoplanet Name : TOI-1180 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1618 (Rjup) 1.8141 (Rearth)
Mass (Mjup / Me): 0.0310 (Mjup) 9.8561 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0820 (AU) 0.0820 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0265
Orbital Period(Observed/Estimated) 9.69 (Days Obs.) 9.90 (Days Est.)
Surface Gravity (G Earth) 2.9949
Star Radiation at Atmospheric Boundary: 47036.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 657.3 (K)
Blackbody T 0.3(K) 617.3 (K)
Blackbody T 0.7(K) 499.4 (K)
Tidally Locked Blackbody T 0.1(K) 781.6 (K)
Tidally Locked Blackbody T 0.3(K) 734.0 (K)
Size Class: super-Earth-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-1180
Alternate Name :
Star Distance(LY) : 234.9
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4700 (K)
Spectral type : K4
UV portion[%]: 2.2
Visible portion[%]: 34.2
IR portion[%]: 63.6
Metalicity : 0.0
Absolute Magnitude: 17.7
Apparent Magnitude: 22.0
Right Ascension(RA) 219.5554
Declination (DEC) 82.1937
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-1180 b
TOI-1180 b

  • TOI-1180 b is an exoplanet orbiting the star TOI-1180, located about 234.9 light-years (72.0 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-1180 has apparent magnitude of 22.0, with absolute magnitude of 17.7.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4700 with its spectral types of K4
  • In this planetary system, the extrasolar planet TOI-1180 b orbits around the star TOI-1180 every 9.7 days with its orbital distance of 0.08 AU ( 12267025.4 km)
  • (Projected orbit of TOI-1180 b around its host star TOI-1180)


  • The Star TOI-1180 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.348 AU ( 52046105.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.481 AU ( 71941319.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.733 AU ( 109622650.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.078 AU ( 161314531.8 km)
  • Radiation at Planetary Boundary of TOI-1180 b : 47036.76 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1180)



  • Kopparapu Recent Venus for Star TOI-1180 distance : 0.381 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1180 distance : 0.483 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1180 distance : 0.466 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1180 distance : 0.512 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1180 distance : 0.886 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1180 distance : 0.935 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1180)



  • Original Kopparapu Recent Venus for Star TOI-1180 distance : 0.377 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1180 distance : 0.498 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1180 distance : 0.498 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1180 distance : 0.901 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1180 distance : 0.937 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1180)



    (Position in Stellar Map of star TOI-1180 and its Exoplanet TOI-1180 b)



    (Zoomed position in Stellar Map of star TOI-1180 and its Exoplanet TOI-1180 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1180*)
    *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