Imaginary Picture of V 1298 Tau e
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Exoplanet Name : V 1298 Tau e
Alternate Name :
Radius (Rjup / Re): 0.7800 (Rjup) 8.7430 (Rearth)
Mass (Mjup / Me): 0.4652 (Mjup) 147.8955 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3080 (AU) 0.3080 (AU Est.)
Eccentricity : 0.5700
Orbital Period(Yrs) 0.1643
Orbital Period(Observed/Estimated) 60.00 (Days Obs.) 59.53 (Days Est.)
Star Radiation at Atmospheric Boundary: 13432.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 480.5 (K)
Blackbody T 0.3(K) 451.2 (K)
Blackbody T 0.7(K) 365.1 (K)
Tidally Locked Blackbody T 0.1(K) 571.4 (K)
Tidally Locked Blackbody T 0.3(K) 536.6 (K)
Size Class: Jupiter-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 : V 1298 Tau
Alternate Name :
Star Distance(LY) : 354.0
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4970 (K)
Spectral type : K0-K1.5
Metalicity : 0.0
Absolute Magnitude: 4.9
Apparent Magnitude: 10.1
Right Ascension(RA) 61.3316
Declination (DEC) 20.1572
Hubble Space Telescope Guide Star Catalog (GSC) ID 01258-00338
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=V+1298+Tau+&submit=SIMBAD+search
Open Exoplanet Database Link
V 1298 Tau e
V 1298 Tau e

  • V 1298 Tau e is an exoplanet orbiting the star V 1298 Tau, located about 354.0 light-years (108.5 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star V 1298 Tau has apparent magnitude of 10.1, with absolute magnitude of 4.9.
  • It is 1.1 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 4970 with its spectral types of K0-K1.5
  • In this planetary system, the extrasolar planet V 1298 Tau e orbits around the star V 1298 Tau every 60.0 days with its orbital distance of 0.31 AU ( 46076144.2 km)
  • (Projected orbit of V 1298 Tau e around its host star V 1298 Tau)


  • The Star V 1298 Tau 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.698 AU ( 104467548.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.965 AU ( 144401452.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.471 AU ( 220035857.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.164 AU ( 323792402.7 km)
  • Radiation at Planetary Boundary of V 1298 Tau e : 13432.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star V 1298 Tau)



  • Kopparapu Recent Venus for Star V 1298 Tau distance : 0.756 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star V 1298 Tau distance : 0.958 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star V 1298 Tau distance : 0.925 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star V 1298 Tau distance : 1.015 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star V 1298 Tau distance : 1.738 AU
  • Kopparapu Outer Boundary for Early Mars for Star V 1298 Tau distance : 1.833 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star V 1298 Tau)



  • Original Kopparapu Recent Venus for Star V 1298 Tau distance : 0.748 AU
  • Original Kopparapu Runaway Greenhouse for Star V 1298 Tau distance : 0.987 AU
  • Original Kopparapu Moist Greenhouse for Star V 1298 Tau distance : 0.990 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star V 1298 Tau distance : 1.767 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star V 1298 Tau distance : 1.838 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star V 1298 Tau)



    (Position in Stellar Map of star V 1298 Tau and its Exoplanet V 1298 Tau e)



    (Zoomed position in Stellar Map of star V 1298 Tau and its Exoplanet V 1298 Tau e (zoom level 3))