Imaginary Picture of TOI-5678 b

Display orbital revolution of TOI-5678 b around the hoststar TOI-5678
/
Exoplanet Name : TOI-5678 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.4380 (Rjup) 4.9095 (Rearth)
Mass (Mjup / Me): 0.0630 (Mjup) 20.0301 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2490 (AU) 0.2490 (AU Est.)
Eccentricity : 0.1400
Orbital Period(Yrs) 0.1307
Orbital Period(Observed/Estimated) 47.73 (Days Obs.) 47.71 (Days Est.)
Surface Gravity (G Earth) 0.8310
Star Radiation at Atmospheric Boundary: 15751.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 500.0 (K)
Blackbody T 0.3(K) 469.6 (K)
Blackbody T 0.7(K) 379.9 (K)
Tidally Locked Blackbody T 0.1(K) 594.6 (K)
Tidally Locked Blackbody T 0.3(K) 558.4 (K)
Size Class: 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-5678
Alternate Name :
Star Distance(LY) : 339.2
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 8.5 (GY)
Temperature : 5485 (K)
Spectral type : G7V
UV portion[%]: 6.8
Visible portion[%]: 43.1
IR portion[%]: 50.1
Metalicity : 0.0
Absolute Magnitude: 6.4
Apparent Magnitude: 11.5
Right Ascension(RA) 47.3833
Declination (DEC) -34.1986
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-5678 b
TOI-5678 b

  • TOI-5678 b is an exoplanet orbiting the star TOI-5678, located about 339.2 light-years (104.0 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star TOI-5678 has apparent magnitude of 11.5, with absolute magnitude of 6.4.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5485 with its spectral types of G7V
  • In this planetary system, the extrasolar planet TOI-5678 b orbits around the star TOI-5678 every 47.7 days with its orbital distance of 0.25 AU ( 37249869.8 km)
  • (Projected orbit of TOI-5678 b around its host star TOI-5678)


  • The Star TOI-5678 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.611 AU ( 91456423.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.845 AU ( 126416677.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.288 AU ( 192631041.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.895 AU ( 283465015.8 km)
  • Radiation at Planetary Boundary of TOI-5678 b : 15751.37 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-5678)



  • Kopparapu Recent Venus for Star TOI-5678 distance : 0.645 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-5678 distance : 0.816 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-5678 distance : 0.788 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-5678 distance : 0.865 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-5678 distance : 1.454 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-5678 distance : 1.534 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-5678)



  • Original Kopparapu Recent Venus for Star TOI-5678 distance : 0.642 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-5678 distance : 0.840 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-5678 distance : 0.849 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-5678 distance : 1.479 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-5678 distance : 1.538 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-5678)



    (Position in Stellar Map of star TOI-5678 and its Exoplanet TOI-5678 b)



    (Zoomed position in Stellar Map of star TOI-5678 and its Exoplanet TOI-5678 b (zoom level 3))

    (Synthetic Spectrum of star TOI-5678*)
    *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