Imaginary Picture of TOI-1797 c

Display orbital revolution of TOI-1797 c around the hoststar TOI-1797
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Exoplanet Name : TOI-1797 c
Alternate Name : HD 93963 A c
Status : Confirmed
Radius (Rjup / Re): 0.2880 (Rjup) 3.2281 (Rearth)
Mass (Mjup / Me): 0.0247 (Mjup) 7.8457 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0481 (AU) 0.0481 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0100
Orbital Period(Observed/Estimated) 3.65 (Days Obs.) 3.66 (Days Est.)
Surface Gravity (G Earth) 0.7529
Star Radiation at Atmospheric Boundary: 739909.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1309.0 (K)
Blackbody T 0.3(K) 1229.3 (K)
Blackbody T 0.7(K) 994.6 (K)
Tidally Locked Blackbody T 0.1(K) 1556.7 (K)
Tidally Locked Blackbody T 0.3(K) 1461.9 (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-1797
Alternate Name : HD 93963 A
Star Distance(LY) : 268.6
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 1.4 (GY)
Temperature : 5987 (K)
Spectral type : G1
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 17.4
Apparent Magnitude: 22.0
Right Ascension(RA) 162.7792
Declination (DEC) 25.6411
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-1797 c
TOI-1797 c

  • TOI-1797 c is an exoplanet orbiting the star TOI-1797, located about 268.6 light-years (82.3 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star TOI-1797 has apparent magnitude of 22.0, with absolute magnitude of 17.4.
  • It is 1.1 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5987 with its spectral types of G1
  • In this planetary system, the extrasolar planet TOI-1797 c orbits around the star TOI-1797 every 3.6 days with its orbital distance of 0.05 AU ( 7200145.5 km)
  • (Projected orbit of TOI-1797 c around its host star TOI-1797)


  • The Star TOI-1797 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.810 AU ( 121160466.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.120 AU ( 167475427.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.706 AU ( 255195489.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.510 AU ( 375531342.7 km)
  • Radiation at Planetary Boundary of TOI-1797 c : 739909.73 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1797)



  • Kopparapu Recent Venus for Star TOI-1797 distance : 0.829 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1797 distance : 1.050 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1797 distance : 1.014 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1797 distance : 1.111 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1797 distance : 1.844 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1797 distance : 1.945 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1797)



  • Original Kopparapu Recent Venus for Star TOI-1797 distance : 0.834 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1797 distance : 1.078 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1797 distance : 1.103 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1797 distance : 1.877 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1797 distance : 1.952 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1797)



    (Position in Stellar Map of star TOI-1797 and its Exoplanet TOI-1797 c)



    (Zoomed position in Stellar Map of star TOI-1797 and its Exoplanet TOI-1797 c (zoom level 3))

    (Synthetic Spectrum of star TOI-1797*)
    *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