Imaginary Picture of TOI-1347 c

Display orbital revolution of TOI-1347 c around the hoststar TOI-1347
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Exoplanet Name : TOI-1347 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1430 (Rjup) 1.6029 (Rearth)
Mass (Mjup / Me): 0.0088 (Mjup) 2.7979 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0543 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0133
Orbital Period(Observed/Estimated) 4.84 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.0890
Star Radiation at Atmospheric Boundary: 255024.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1003.0 (K)
Blackbody T 0.3(K) 941.9 (K)
Blackbody T 0.7(K) 762.1 (K)
Tidally Locked Blackbody T 0.1(K) 1192.7 (K)
Tidally Locked Blackbody T 0.3(K) 1120.1 (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-1347
Alternate Name :
Star Distance(LY) : 481.1
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 1.7 (GY)
Temperature : 5464 (K)
Spectral type : G7
UV portion[%]: 6.7
Visible portion[%]: 43.0
IR portion[%]: 50.3
Metalicity : 0.0
Absolute Magnitude: 5.4
Apparent Magnitude: 11.2
Right Ascension(RA) 280.3267
Declination (DEC) 70.2901
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-1347 c
TOI-1347 c

  • TOI-1347 c is an exoplanet orbiting the star TOI-1347, located about 481.1 light-years (147.5 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-1347 has apparent magnitude of 11.2, with absolute magnitude of 5.4.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5464 with its spectral types of G7
  • In this planetary system, the extrasolar planet TOI-1347 c orbits around the star TOI-1347 every 4.8 days with its orbital distance of 0.05 AU ( 8128987.2 km)
  • (Projected orbit of TOI-1347 c around its host star TOI-1347)


  • The Star TOI-1347 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.537 AU ( 80307773.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.742 AU ( 111006330.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.131 AU ( 169149081.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.664 AU ( 248910283.3 km)
  • Radiation at Planetary Boundary of TOI-1347 c : 255024.38 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1347)



  • Kopparapu Recent Venus for Star TOI-1347 distance : 0.567 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1347 distance : 0.718 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1347 distance : 0.693 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1347 distance : 0.760 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1347 distance : 1.279 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1347 distance : 1.349 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1347)



  • Original Kopparapu Recent Venus for Star TOI-1347 distance : 0.564 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1347 distance : 0.738 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1347 distance : 0.747 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1347 distance : 1.301 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1347 distance : 1.353 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1347)



    (Position in Stellar Map of star TOI-1347 and its Exoplanet TOI-1347 c)



    (Zoomed position in Stellar Map of star TOI-1347 and its Exoplanet TOI-1347 c (zoom level 3))

    (Synthetic Spectrum of star TOI-1347*)
    *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