Imaginary Picture of TOI-1296 b

Display orbital revolution of TOI-1296 b around the hoststar TOI-1296
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Exoplanet Name : TOI-1296 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.2310 (Rjup) 13.7983 (Rearth)
Mass (Mjup / Me): 0.2980 (Mjup) 94.7455 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0497 (AU) 0.0497 (AU Est.)
Eccentricity : 0.0550
Orbital Period(Yrs) 0.0108
Orbital Period(Observed/Estimated) 3.94 (Days Obs.) 3.74 (Days Est.)
Surface Gravity (G Earth) 0.4976
Star Radiation at Atmospheric Boundary: 1354818.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1522.7 (K)
Blackbody T 0.3(K) 1430.0 (K)
Blackbody T 0.7(K) 1157.0 (K)
Tidally Locked Blackbody T 0.1(K) 1810.8 (K)
Tidally Locked Blackbody T 0.3(K) 1700.5 (K)
Size Class: Super-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 : TOI-1296
Alternate Name :
Star Distance(LY) : 1023.2
Stellar Radius(Rsun) : 1.7 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 6.9 (GY)
Temperature : 5603 (K)
Spectral type : G6
UV portion[%]: 7.3
Visible portion[%]: 43.9
IR portion[%]: 48.8
Metalicity : 0.4
Absolute Magnitude: 3.9
Apparent Magnitude: 11.4
Right Ascension(RA) 256.7708
Declination (DEC) 70.2386
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=TOI-1296&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-1296 b
TOI-1296 b

  • TOI-1296 b is an exoplanet orbiting the star TOI-1296, located about 1023.2 light-years (313.7 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star TOI-1296 has apparent magnitude of 11.4, with absolute magnitude of 3.9.
  • It is 1.2 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 5603 with its spectral types of G6
  • In this planetary system, the extrasolar planet TOI-1296 b orbits around the star TOI-1296 every 3.9 days with its orbital distance of 0.05 AU ( 7435014.2 km)
  • (Projected orbit of TOI-1296 b around its host star TOI-1296)


  • The Star TOI-1296 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.132 AU ( 169298332.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.564 AU ( 234014537.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.384 AU ( 356586368.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.508 AU ( 524732462.0 km)
  • Radiation at Planetary Boundary of TOI-1296 b : 1354818.65 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1296)



  • Kopparapu Recent Venus for Star TOI-1296 distance : 1.185 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1296 distance : 1.501 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1296 distance : 1.450 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1296 distance : 1.590 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1296 distance : 2.663 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1296 distance : 2.809 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1296)



  • Original Kopparapu Recent Venus for Star TOI-1296 distance : 1.183 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1296 distance : 1.543 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1296 distance : 1.565 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1296 distance : 2.710 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1296 distance : 2.818 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1296)



    (Position in Stellar Map of star TOI-1296 and its Exoplanet TOI-1296 b)



    (Zoomed position in Stellar Map of star TOI-1296 and its Exoplanet TOI-1296 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1296*)
    *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