Imaginary Picture of TOI-103

Display orbital revolution of TOI-103 around the hoststar HATS-3
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Exoplanet Name : TOI-103
Alternate Name : HATS-3 b
Status : Confirmed
Radius (Rjup / Re): 1.3810 (Rjup) 15.4796 (Rearth)
Mass (Mjup / Me): 1.0710 (Mjup) 340.5116 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0485 (AU) 0.0485 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0097
Orbital Period(Observed/Estimated) 3.55 (Days Obs.) 3.55 (Days Est.)
Surface Gravity (G Earth) 1.4211
Star Radiation at Atmospheric Boundary: 1671952.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1604.9 (K)
Blackbody T 0.3(K) 1507.2 (K)
Blackbody T 0.7(K) 1219.5 (K)
Tidally Locked Blackbody T 0.1(K) 1908.6 (K)
Tidally Locked Blackbody T 0.3(K) 1792.3 (K)
Size Class: Super-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HATS-3
Alternate Name :
Star Distance(LY) : 1032.1
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 3.2 (GY)
Temperature : 6351 (K)
Spectral type : F
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.2
Absolute Magnitude: 3.9
Apparent Magnitude: 11.4
Right Ascension(RA) 312.4574
Declination (DEC) -24.4289
Hubble Space Telescope Guide Star Catalog (GSC) ID 06926-00454
Discovered by
Discovery Paper - Authors "D. Bayliss, G. Zhou, K. Penev, G. Bakos, J. Hartman, A. Jord_n, L. Mancini, M. Mohler, V. Suc, M. Rabus, B. B_ky, Z. Csubry, L. Buchhave, T. Henning, N. Nikolov, B. Cs_k, R. Brahm, N. Espinoza, R. Noyes, B. Schmidt, P. Conroy, D. Wright, C. Tinney, B. Addison, P. Sackett, D. Sasselov, J. L_z_r, I. Papp, P. S_ri"
Discovery Paper - Title HATS-3b: An inflated hot Jupiter transiting an F-type star
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HATS-3+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HATS-3%20b/
TOI-103
TOI-103
  • TOI-103 is an exoplanet orbiting the star HATS-3, located about 1032.1 light-years (316.5 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star HATS-3 has apparent magnitude of 11.4, with absolute magnitude of 3.9.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6351 with its spectral types of F
  • In this planetary system, the extrasolar planet TOI-103 orbits around the star HATS-3 every 3.5 days with its orbital distance of 0.05 AU ( 7255496.7 km)
    • (Projected orbit of TOI-103 around its host star HATS-3)


  • The Star HATS-3 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.227 AU ( 183531006.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.696 AU ( 253687813.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.584 AU ( 386564086.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.803 AU ( 568845986.9 km)
  • Radiation at Planetary Boundary of TOI-103 : 1671952.75 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-3)



  • Kopparapu Recent Venus for Star HATS-3 distance : 1.228 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-3 distance : 1.555 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-3 distance : 1.502 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-3 distance : 1.646 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-3 distance : 2.712 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-3 distance : 2.861 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-3)



  • Original Kopparapu Recent Venus for Star HATS-3 distance : 1.245 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-3 distance : 1.595 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-3 distance : 1.647 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-3 distance : 2.761 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-3 distance : 2.872 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-3)



    (Position in Stellar Map of star HATS-3 and its Exoplanet TOI-103)



    (Zoomed position in Stellar Map of star HATS-3 and its Exoplanet TOI-103 (zoom level 3))

    (Synthetic Spectrum of star HATS-3*)
    *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