Imaginary Picture of TIC 12999193 b

Display orbital revolution of TIC 12999193 b around the hoststar TIC 12999193
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Exoplanet Name : TIC 12999193 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.8725 (Rjup) 9.7799 (Rearth)
Mass (Mjup / Me): 0.6511 (Mjup) 206.9987 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0154 (AU) 0.0154 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0041
Orbital Period(Observed/Estimated) 1.48 (Days Obs.) 1.48 (Days Est.)
Surface Gravity (G Earth) 2.1642
Star Radiation at Atmospheric Boundary: 47668.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 659.5 (K)
Blackbody T 0.3(K) 619.3 (K)
Blackbody T 0.7(K) 501.1 (K)
Tidally Locked Blackbody T 0.1(K) 784.3 (K)
Tidally Locked Blackbody T 0.3(K) 736.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TIC 12999193
Alternate Name : WT 2313
Star Distance(LY) : 159.3
Stellar Radius(Rsun) : 0.3 (Rsun Measured)
Stellar Mass(Msun) : 0.2 (Msun Measured) 0.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3478 (K)
Spectral type : M4V
UV portion[%]: 0.2
Visible portion[%]: 10.4
IR portion[%]: 89.4
Metalicity : 0.0
Absolute Magnitude: 8.4
Apparent Magnitude: 11.9
Right Ascension(RA) 346.8570
Declination (DEC) -28.3540
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 12999193 b
TIC 12999193 b

  • TIC 12999193 b is an exoplanet orbiting the star TIC 12999193, located about 159.3 light-years (48.8 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TIC 12999193 has apparent magnitude of 11.9, with absolute magnitude of 8.4.
  • It is 0.2 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3478 with its spectral types of M4V
  • In this planetary system, the extrasolar planet TIC 12999193 b orbits around the star TIC 12999193 every 1.5 days with its orbital distance of 0.02 AU ( 2303807.2 km)
  • (Projected orbit of TIC 12999193 b around its host star TIC 12999193)


  • The Star TIC 12999193 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.066 AU ( 9839906.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.091 AU ( 13601322.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.139 AU ( 20725406.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.204 AU ( 30498342.8 km)
  • Radiation at Planetary Boundary of TIC 12999193 b : 47668.24 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TIC 12999193)



  • Kopparapu Recent Venus for Star TIC 12999193 distance : 0.074 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TIC 12999193 distance : 0.094 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TIC 12999193 distance : 0.091 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TIC 12999193 distance : 0.100 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TIC 12999193 distance : 0.183 AU
  • Kopparapu Outer Boundary for Early Mars for Star TIC 12999193 distance : 0.193 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TIC 12999193)



  • Original Kopparapu Recent Venus for Star TIC 12999193 distance : 0.074 AU
  • Original Kopparapu Runaway Greenhouse for Star TIC 12999193 distance : 0.097 AU
  • Original Kopparapu Moist Greenhouse for Star TIC 12999193 distance : 0.098 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TIC 12999193 distance : 0.186 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TIC 12999193 distance : 0.194 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TIC 12999193)



    (Position in Stellar Map of star TIC 12999193 and its Exoplanet TIC 12999193 b)



    (Zoomed position in Stellar Map of star TIC 12999193 and its Exoplanet TIC 12999193 b (zoom level 3))

    (Synthetic Spectrum of star TIC 12999193*)
    *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