Imaginary Picture of TOI-260 b

Display orbital revolution of TOI-260 b around the hoststar TOI-260
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Exoplanet Name : TOI-260 b
Alternate Name : "HIP 1532 b, BD-10-47 b"
Status : Confirmed
Radius (Rjup / Re): 0.1454 (Rjup) 1.6298 (Rearth)
Mass (Mjup / Me): 0.0296 (Mjup) 9.4141 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0943 (AU) 0.0943 (AU Est.)
Eccentricity : 0.6800
Orbital Period(Yrs) 0.0369
Orbital Period(Observed/Estimated) 13.48 (Days Obs.) 13.48 (Days Est.)
Surface Gravity (G Earth) 3.5442
Star Radiation at Atmospheric Boundary: 13349.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 479.7 (K)
Blackbody T 0.3(K) 450.5 (K)
Blackbody T 0.7(K) 364.5 (K)
Tidally Locked Blackbody T 0.1(K) 570.5 (K)
Tidally Locked Blackbody T 0.3(K) 535.8 (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-260
Alternate Name : HIP 1532
Star Distance(LY) : 65.9
Stellar Radius(Rsun) : 0.6 (Rsun Measured)
Stellar Mass(Msun) : 0.6 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4026 (K)
Spectral type : K8V
UV portion[%]: 0.7
Visible portion[%]: 24.9
IR portion[%]: 74.3
Metalicity : -0.5
Absolute Magnitude: 8.4
Apparent Magnitude: 9.9
Right Ascension(RA) 4.7729
Declination (DEC) -9.9649
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-260 b
TOI-260 b

  • TOI-260 b is an exoplanet orbiting the star TOI-260, located about 65.9 light-years (20.2 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-260 has apparent magnitude of 9.9, with absolute magnitude of 8.4.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4026 with its spectral types of K8V
  • In this planetary system, the extrasolar planet TOI-260 b orbits around the star TOI-260 every 13.5 days with its orbital distance of 0.09 AU ( 14107079.2 km)
  • (Projected orbit of TOI-260 b around its host star TOI-260)


  • The Star TOI-260 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.213 AU ( 31885581.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.295 AU ( 44074206.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.449 AU ( 67159337.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.661 AU ( 98827906.9 km)
  • Radiation at Planetary Boundary of TOI-260 b : 13349.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-260)



  • Kopparapu Recent Venus for Star TOI-260 distance : 0.239 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-260 distance : 0.302 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-260 distance : 0.292 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-260 distance : 0.321 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-260 distance : 0.572 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-260 distance : 0.604 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-260)



  • Original Kopparapu Recent Venus for Star TOI-260 distance : 0.236 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-260 distance : 0.312 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-260 distance : 0.312 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-260 distance : 0.582 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-260 distance : 0.605 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-260)



    (Position in Stellar Map of star TOI-260 and its Exoplanet TOI-260 b)



    (Zoomed position in Stellar Map of star TOI-260 and its Exoplanet TOI-260 b (zoom level 3))

    (Synthetic Spectrum of star TOI-260*)
    *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