Imaginary Picture of TOI-628 b

Display orbital revolution of TOI-628 b around the hoststar TOI-628
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Exoplanet Name : TOI-628 b
Alternate Name : HD 288842 b
Status : Confirmed
Radius (Rjup / Re): 1.0600 (Rjup) 11.8815 (Rearth)
Mass (Mjup / Me): 6.3300 (Mjup) 2012.5475 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0486 (AU) 0.0486 (AU Est.)
Eccentricity : 0.0700
Orbital Period(Yrs) 0.0093
Orbital Period(Observed/Estimated) 3.41 (Days Obs.) 3.42 (Days Est.)
Surface Gravity (G Earth) 14.2561
Star Radiation at Atmospheric Boundary: 1433167.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1544.2 (K)
Blackbody T 0.3(K) 1450.2 (K)
Blackbody T 0.7(K) 1173.4 (K)
Tidally Locked Blackbody T 0.1(K) 1836.4 (K)
Tidally Locked Blackbody T 0.3(K) 1724.6 (K)
Size Class: 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-628
Alternate Name : HD 288842
Star Distance(LY) : 582.2
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 1.3 (GY)
Temperature : 6250 (K)
Spectral type : F8
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.3
Absolute Magnitude: 3.7
Apparent Magnitude: 10.0
Right Ascension(RA) 99.2625
Declination (DEC) 1.7675
Hubble Space Telescope Guide Star Catalog (GSC) ID 00146-01523
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=TOI-628&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-628 b
TOI-628 b

  • TOI-628 b is an exoplanet orbiting the star TOI-628, located about 582.2 light-years (178.5 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star TOI-628 has apparent magnitude of 10.0, with absolute magnitude of 3.7.
  • It is 1.3 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6250 with its spectral types of F8
  • In this planetary system, the extrasolar planet TOI-628 b orbits around the star TOI-628 every 3.4 days with its orbital distance of 0.05 AU ( 7270456.5 km)
  • (Projected orbit of TOI-628 b around its host star TOI-628)


  • The Star TOI-628 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.138 AU ( 170270900.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.573 AU ( 235358880.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.397 AU ( 358634849.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.528 AU ( 527746892.0 km)
  • Radiation at Planetary Boundary of TOI-628 b : 1433167.36 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-628)



  • Kopparapu Recent Venus for Star TOI-628 distance : 1.146 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-628 distance : 1.452 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-628 distance : 1.402 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-628 distance : 1.536 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-628 distance : 2.536 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-628 distance : 2.675 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-628)



  • Original Kopparapu Recent Venus for Star TOI-628 distance : 1.159 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-628 distance : 1.489 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-628 distance : 1.534 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-628 distance : 2.582 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-628 distance : 2.685 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-628)



    (Position in Stellar Map of star TOI-628 and its Exoplanet TOI-628 b)



    (Zoomed position in Stellar Map of star TOI-628 and its Exoplanet TOI-628 b (zoom level 3))

    (Synthetic Spectrum of star TOI-628*)
    *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