Imaginary Picture of TOI-1470 c

Display orbital revolution of TOI-1470 c around the hoststar TOI-1470
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Exoplanet Name : TOI-1470 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2204 (Rjup) 2.4705 (Rearth)
Mass (Mjup / Me): 0.0228 (Mjup) 7.2426 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1060 (AU) 0.1060 (AU Est.)
Eccentricity : 0.5000
Orbital Period(Yrs) 0.0495
Orbital Period(Observed/Estimated) 18.09 (Days Obs.) 18.37 (Days Est.)
Surface Gravity (G Earth) 1.1867
Star Radiation at Atmospheric Boundary: 4543.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 366.4 (K)
Blackbody T 0.3(K) 344.1 (K)
Blackbody T 0.7(K) 278.4 (K)
Tidally Locked Blackbody T 0.1(K) 435.8 (K)
Tidally Locked Blackbody T 0.3(K) 409.2 (K)
Size Class: sub-Neptune-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-1470
Alternate Name :
Star Distance(LY) : 169.4
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 1.3 (GY)
Temperature : 3709 (K)
Spectral type : M2
UV portion[%]: 0.4
Visible portion[%]: 18.4
IR portion[%]: 81.2
Metalicity : 0.0
Absolute Magnitude: 9.9
Apparent Magnitude: 13.5
Right Ascension(RA) 10.0875
Declination (DEC) 61.2133
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-1470 c
TOI-1470 c

  • TOI-1470 c is an exoplanet orbiting the star TOI-1470, located about 169.4 light-years (52.0 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star TOI-1470 has apparent magnitude of 13.5, with absolute magnitude of 9.9.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3709 with its spectral types of M2
  • In this planetary system, the extrasolar planet TOI-1470 c orbits around the star TOI-1470 every 18.1 days with its orbital distance of 0.11 AU ( 15857374.3 km)
  • (Projected orbit of TOI-1470 c around its host star TOI-1470)


  • The Star TOI-1470 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.140 AU ( 20909546.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.193 AU ( 28902458.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.294 AU ( 44040950.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.433 AU ( 64808187.4 km)
  • Radiation at Planetary Boundary of TOI-1470 c : 4543.24 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1470)



  • Kopparapu Recent Venus for Star TOI-1470 distance : 0.157 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1470 distance : 0.199 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1470 distance : 0.192 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1470 distance : 0.212 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1470 distance : 0.384 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1470 distance : 0.405 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1470)



  • Original Kopparapu Recent Venus for Star TOI-1470 distance : 0.156 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1470 distance : 0.206 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1470 distance : 0.206 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1470 distance : 0.390 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1470 distance : 0.405 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1470)



    (Position in Stellar Map of star TOI-1470 and its Exoplanet TOI-1470 c)



    (Zoomed position in Stellar Map of star TOI-1470 and its Exoplanet TOI-1470 c (zoom level 3))

    (Synthetic Spectrum of star TOI-1470*)
    *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