Imaginary Picture of TOI-1776 b

Display orbital revolution of TOI-1776 b around the hoststar TOI-1776
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Exoplanet Name : TOI-1776 b
Alternate Name : HD 95072 b
Status : Confirmed
Radius (Rjup / Re): 0.1250 (Rjup) 1.4011 (Rearth)
Mass (Mjup / Me): 0.0044 (Mjup) 1.3989 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0378 (AU) 0.0378 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0077
Orbital Period(Observed/Estimated) 2.80 (Days Obs.) 2.66 (Days Est.)
Surface Gravity (G Earth) 0.7126
Star Radiation at Atmospheric Boundary: 831508.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1347.8 (K)
Blackbody T 0.3(K) 1265.7 (K)
Blackbody T 0.7(K) 1024.1 (K)
Tidally Locked Blackbody T 0.1(K) 1602.8 (K)
Tidally Locked Blackbody T 0.3(K) 1505.2 (K)
Size Class: super-Earth-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-1776
Alternate Name :
Star Distance(LY) : 145.6
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5724 (K)
Spectral type : G4
UV portion[%]: 7.7
Visible portion[%]: 44.5
IR portion[%]: 47.8
Metalicity : 0.0
Absolute Magnitude: 4.8
Apparent Magnitude: 8.0
Right Ascension(RA) 164.7771
Declination (DEC) 40.9837
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-1776 b
TOI-1776 b

  • TOI-1776 b is an exoplanet orbiting the star TOI-1776, located about 145.6 light-years (44.6 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-1776 has apparent magnitude of 8.0, with absolute magnitude of 4.8.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5724 with its spectral types of G4
  • In this planetary system, the extrasolar planet TOI-1776 b orbits around the star TOI-1776 every 2.8 days with its orbital distance of 0.04 AU ( 5654799.5 km)
  • (Projected orbit of TOI-1776 b around its host star TOI-1776)


  • The Star TOI-1776 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.674 AU ( 100874400.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.932 AU ( 139434783.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.420 AU ( 212467753.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.090 AU ( 312655606.5 km)
  • Radiation at Planetary Boundary of TOI-1776 b : 831508.94 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1776)



  • Kopparapu Recent Venus for Star TOI-1776 distance : 0.701 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1776 distance : 0.888 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1776 distance : 0.858 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1776 distance : 0.940 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1776 distance : 1.570 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1776 distance : 1.656 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1776)



  • Original Kopparapu Recent Venus for Star TOI-1776 distance : 0.701 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1776 distance : 0.913 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1776 distance : 0.928 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1776 distance : 1.598 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1776 distance : 1.662 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1776)



    (Position in Stellar Map of star TOI-1776 and its Exoplanet TOI-1776 b)



    (Zoomed position in Stellar Map of star TOI-1776 and its Exoplanet TOI-1776 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1776*)
    *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