Imaginary Picture of TOI-1294 b

Display orbital revolution of TOI-1294 b around the hoststar TOI-1294
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Exoplanet Name : TOI-1294 b
Alternate Name : TOI-1294.01
Status : Confirmed
Radius (Rjup / Re): 0.8199 (Rjup) 9.1903 (Rearth)
Mass (Mjup / Me): 0.1957 (Mjup) 62.2205 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0489 (AU) 0.0489 (AU Est.)
Eccentricity : 0.0700
Orbital Period(Yrs) 0.0107
Orbital Period(Observed/Estimated) 3.92 (Days Obs.) 3.91 (Days Est.)
Surface Gravity (G Earth) 0.7367
Star Radiation at Atmospheric Boundary: 1366506.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1526.0 (K)
Blackbody T 0.3(K) 1433.0 (K)
Blackbody T 0.7(K) 1159.5 (K)
Tidally Locked Blackbody T 0.1(K) 1814.7 (K)
Tidally Locked Blackbody T 0.3(K) 1704.2 (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-1294
Alternate Name :
Star Distance(LY) : 1085.0
Stellar Radius(Rsun) : 1.6 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 6.1 (GY)
Temperature : 5714 (K)
Spectral type : G2IV
UV portion[%]: 7.6
Visible portion[%]: 44.5
IR portion[%]: 47.9
Metalicity : 0.3
Absolute Magnitude: 3.7
Apparent Magnitude: 11.3
Right Ascension(RA) 223.0929
Declination (DEC) 70.4766
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-1294 b
TOI-1294 b

  • TOI-1294 b is an exoplanet orbiting the star TOI-1294, located about 1085.0 light-years (332.6 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-1294 has apparent magnitude of 11.3, with absolute magnitude of 3.7.
  • It is 1.0 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 5714 with its spectral types of G2IV
  • In this planetary system, the extrasolar planet TOI-1294 b orbits around the star TOI-1294 every 3.9 days with its orbital distance of 0.05 AU ( 7315335.9 km)
  • (Projected orbit of TOI-1294 b around its host star TOI-1294)


  • The Star TOI-1294 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.118 AU ( 167290182.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.546 AU ( 231238750.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.355 AU ( 352356682.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.466 AU ( 518508293.6 km)
  • Radiation at Planetary Boundary of TOI-1294 b : 1366506.73 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1294)



  • Kopparapu Recent Venus for Star TOI-1294 distance : 1.163 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1294 distance : 1.473 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1294 distance : 1.423 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1294 distance : 1.560 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1294 distance : 2.606 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1294 distance : 2.749 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1294)



  • Original Kopparapu Recent Venus for Star TOI-1294 distance : 1.164 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1294 distance : 1.514 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1294 distance : 1.540 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1294 distance : 2.652 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1294 distance : 2.758 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1294)



    (Position in Stellar Map of star TOI-1294 and its Exoplanet TOI-1294 b)



    (Zoomed position in Stellar Map of star TOI-1294 and its Exoplanet TOI-1294 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1294*)
    *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