Imaginary Picture of TOI-3884 b

Display orbital revolution of TOI-3884 b around the hoststar TOI-3884
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Exoplanet Name : TOI-3884 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.5629 (Rjup) 6.3095 (Rearth)
Mass (Mjup / Me): 0.0519 (Mjup) 16.5010 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0354 (AU) 0.0354 (AU Est.)
Eccentricity : 0.3200
Orbital Period(Yrs) 0.0124
Orbital Period(Observed/Estimated) 4.54 (Days Obs.) 4.59 (Days Est.)
Surface Gravity (G Earth) 0.4145
Star Radiation at Atmospheric Boundary: 10348.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 450.2 (K)
Blackbody T 0.3(K) 422.7 (K)
Blackbody T 0.7(K) 342.0 (K)
Tidally Locked Blackbody T 0.1(K) 535.3 (K)
Tidally Locked Blackbody T 0.3(K) 502.7 (K)
Size Class: sub-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-3884
Alternate Name :
Star Distance(LY) : 141.3
Stellar Radius(Rsun) : 0.3 (Rsun Measured)
Stellar Mass(Msun) : 0.3 (Msun Measured) 0.3 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3269 (K)
Spectral type : M6
UV portion[%]: 0.1
Visible portion[%]: 7.6
IR portion[%]: 92.2
Metalicity : 0.2
Absolute Magnitude: 10.8
Apparent Magnitude: 14.0
Right Ascension(RA) 181.5708
Declination (DEC) 12.5069
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-3884 b
TOI-3884 b

  • TOI-3884 b is an exoplanet orbiting the star TOI-3884, located about 141.3 light-years (43.3 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star TOI-3884 has apparent magnitude of 14.0, with absolute magnitude of 10.8.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3269 with its spectral types of M6
  • In this planetary system, the extrasolar planet TOI-3884 b orbits around the star TOI-3884 every 4.5 days with its orbital distance of 0.04 AU ( 5295764.6 km)
  • (Projected orbit of TOI-3884 b around its host star TOI-3884)


  • The Star TOI-3884 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.070 AU ( 10538769.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.097 AU ( 14567333.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.148 AU ( 22197392.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.218 AU ( 32664435.6 km)
  • Radiation at Planetary Boundary of TOI-3884 b : 10348.13 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-3884)



  • Kopparapu Recent Venus for Star TOI-3884 distance : 0.080 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-3884 distance : 0.101 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-3884 distance : 0.097 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-3884 distance : 0.107 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-3884 distance : 0.199 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-3884 distance : 0.210 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-3884)



  • Original Kopparapu Recent Venus for Star TOI-3884 distance : 0.079 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-3884 distance : 0.105 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-3884 distance : 0.105 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-3884 distance : 0.202 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-3884 distance : 0.210 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-3884)



    (Position in Stellar Map of star TOI-3884 and its Exoplanet TOI-3884 b)



    (Zoomed position in Stellar Map of star TOI-3884 and its Exoplanet TOI-3884 b (zoom level 3))

    (Synthetic Spectrum of star TOI-3884*)
    *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