Imaginary Picture of TOI-175 c

Display orbital revolution of TOI-175 c around the hoststar TOI-175
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Exoplanet Name : TOI-175 c
Alternate Name : L 98-59 c
Status : Confirmed
Radius (Rjup / Re): 0.1236 (Rjup) 1.3850 (Rearth)
Mass (Mjup / Me): 0.0070 (Mjup) 2.2192 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0304 (AU) 0.0304 (AU Est.)
Eccentricity : 0.1030
Orbital Period(Yrs) 0.0101
Orbital Period(Observed/Estimated) 3.69 (Days Obs.) 3.42 (Days Est.)
Surface Gravity (G Earth) 1.1569
Star Radiation at Atmospheric Boundary: 16862.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 508.6 (K)
Blackbody T 0.3(K) 477.6 (K)
Blackbody T 0.7(K) 386.4 (K)
Tidally Locked Blackbody T 0.1(K) 604.8 (K)
Tidally Locked Blackbody T 0.3(K) 568.0 (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-175
Alternate Name : L 98-59
Star Distance(LY) : 34.6
Stellar Radius(Rsun) : 0.3 (Rsun Measured)
Stellar Mass(Msun) : 0.3 (Msun Measured) 0.3 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3500 (K)
Spectral type : M4
UV portion[%]: 0.2
Visible portion[%]: 10.4
IR portion[%]: 89.3
Metalicity : -0.5
Absolute Magnitude: 11.6
Apparent Magnitude: 11.7
Right Ascension(RA) 122.5333
Declination (DEC) -68.3131
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=L+98-59&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-175 c
TOI-175 c

  • TOI-175 c is an exoplanet orbiting the star TOI-175, located about 34.6 light-years (10.6 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star TOI-175 has apparent magnitude of 11.7, with absolute magnitude of 11.6.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3500 with its spectral types of M4
  • In this planetary system, the extrasolar planet TOI-175 c orbits around the star TOI-175 every 3.7 days with its orbital distance of 0.03 AU ( 4547775.3 km)
  • (Projected orbit of TOI-175 c around its host star TOI-175)


  • The Star TOI-175 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.077 AU ( 11552798.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.107 AU ( 15968986.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.163 AU ( 24333201.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.239 AU ( 35807371.6 km)
  • Radiation at Planetary Boundary of TOI-175 c : 16862.26 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-175)



  • Kopparapu Recent Venus for Star TOI-175 distance : 0.087 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-175 distance : 0.110 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-175 distance : 0.107 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-175 distance : 0.117 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-175 distance : 0.215 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-175 distance : 0.227 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-175)



  • Original Kopparapu Recent Venus for Star TOI-175 distance : 0.087 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-175 distance : 0.114 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-175 distance : 0.114 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-175 distance : 0.218 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-175 distance : 0.227 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-175)



    (Position in Stellar Map of star TOI-175 and its Exoplanet TOI-175 c)



    (Zoomed position in Stellar Map of star TOI-175 and its Exoplanet TOI-175 c (zoom level 3))

    (Synthetic Spectrum of star TOI-175*)
    *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