Imaginary Picture of TIC 139270665 b

Display orbital revolution of TIC 139270665 b around the hoststar TIC 139270665
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Exoplanet Name : TIC 139270665 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.6450 (Rjup) 7.2298 (Rearth)
Mass (Mjup / Me): 0.4630 (Mjup) 147.2053 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1630 (AU) 0.1630 (AU Est.)
Eccentricity : 0.1000
Orbital Period(Yrs) 0.0647
Orbital Period(Observed/Estimated) 23.62 (Days Obs.) 23.63 (Days Est.)
Surface Gravity (G Earth) 2.8162
Star Radiation at Atmospheric Boundary: 56010.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 686.6 (K)
Blackbody T 0.3(K) 644.8 (K)
Blackbody T 0.7(K) 521.7 (K)
Tidally Locked Blackbody T 0.1(K) 816.5 (K)
Tidally Locked Blackbody T 0.3(K) 766.8 (K)
Size Class: sub-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 : TIC 139270665
Alternate Name :
Star Distance(LY) : 482.1
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 3.4 (GY)
Temperature : 5844 (K)
Spectral type : G2
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.2
Absolute Magnitude: 16.2
Apparent Magnitude: 22.0
Right Ascension(RA) 124.0338
Declination (DEC) 33.2915
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
TIC 139270665 b
TIC 139270665 b

  • TIC 139270665 b is an exoplanet orbiting the star TIC 139270665, located about 482.1 light-years (147.8 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TIC 139270665 has apparent magnitude of 22.0, with absolute magnitude of 16.2.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5844 with its spectral types of G2
  • In this planetary system, the extrasolar planet TIC 139270665 b orbits around the star TIC 139270665 every 23.6 days with its orbital distance of 0.16 AU ( 24384452.9 km)
  • (Projected orbit of TIC 139270665 b around its host star TIC 139270665)


  • The Star TIC 139270665 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.755 AU ( 112896037.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.043 AU ( 156051827.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.590 AU ( 237788450.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.339 AU ( 349916121.2 km)
  • Radiation at Planetary Boundary of TIC 139270665 b : 56010.67 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TIC 139270665)



  • Kopparapu Recent Venus for Star TIC 139270665 distance : 0.779 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TIC 139270665 distance : 0.987 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TIC 139270665 distance : 0.953 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TIC 139270665 distance : 1.045 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TIC 139270665 distance : 1.739 AU
  • Kopparapu Outer Boundary for Early Mars for Star TIC 139270665 distance : 1.834 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TIC 139270665)



  • Original Kopparapu Recent Venus for Star TIC 139270665 distance : 0.781 AU
  • Original Kopparapu Runaway Greenhouse for Star TIC 139270665 distance : 1.014 AU
  • Original Kopparapu Moist Greenhouse for Star TIC 139270665 distance : 1.034 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TIC 139270665 distance : 1.770 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TIC 139270665 distance : 1.841 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TIC 139270665)



    (Position in Stellar Map of star TIC 139270665 and its Exoplanet TIC 139270665 b)



    (Zoomed position in Stellar Map of star TIC 139270665 and its Exoplanet TIC 139270665 b (zoom level 3))

    (Synthetic Spectrum of star TIC 139270665*)
    *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