Imaginary Picture of TOI-2076 d

Display orbital revolution of TOI-2076 d around the hoststar TOI-2076
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Exoplanet Name : TOI-2076 d
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.3693 (Rjup) 4.1395 (Rearth)
Mass (Mjup / Me): 0.0494 (Mjup) 15.6967 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1138 (AU) 0.1138 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 15.21 (Days Est.)
Surface Gravity (G Earth) 0.9160
Star Radiation at Atmospheric Boundary: 39696.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 630.0 (K)
Blackbody T 0.3(K) 591.6 (K)
Blackbody T 0.7(K) 478.7 (K)
Tidally Locked Blackbody T 0.1(K) 749.2 (K)
Tidally Locked Blackbody T 0.3(K) 703.6 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-2076
Alternate Name :
Star Distance(LY) : 136.7
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.2 (GY)
Temperature : 5187 (K)
Spectral type : K0
UV portion[%]: 4.9
Visible portion[%]: 39.9
IR portion[%]: 55.2
Metalicity : -0.0
Absolute Magnitude: 6.9
Apparent Magnitude: 10.0
Right Ascension(RA) 217.3917
Declination (DEC) 39.7906
Hubble Space Telescope Guide Star Catalog (GSC) ID 03036-00481
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-2076&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-2076 d
TOI-2076 d

  • TOI-2076 d is an exoplanet orbiting the star TOI-2076, located about 136.7 light-years (41.9 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star TOI-2076 has apparent magnitude of 10.0, with absolute magnitude of 6.9.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5187 with its spectral types of K0
  • (Projected orbit of TOI-2076 d around its host star TOI-2076)


  • The Star TOI-2076 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.444 AU ( 66355246.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.613 AU ( 91720291.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.934 AU ( 139761425.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.375 AU ( 205665060.7 km)
  • Radiation at Planetary Boundary of TOI-2076 d : 39696.72 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-2076)



  • Kopparapu Recent Venus for Star TOI-2076 distance : 0.475 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-2076 distance : 0.602 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-2076 distance : 0.581 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-2076 distance : 0.638 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2076 distance : 1.083 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-2076 distance : 1.142 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-2076)



  • Original Kopparapu Recent Venus for Star TOI-2076 distance : 0.471 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-2076 distance : 0.620 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-2076 distance : 0.624 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2076 distance : 1.102 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-2076 distance : 1.146 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-2076)



    (Position in Stellar Map of star TOI-2076 and its Exoplanet TOI-2076 d)



    (Zoomed position in Stellar Map of star TOI-2076 and its Exoplanet TOI-2076 d (zoom level 3))

    (Synthetic Spectrum of star TOI-2076*)
    *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