Imaginary Picture of Kepler-961 b

Display orbital revolution of Kepler-961 b around the hoststar Kepler-961
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Exoplanet Name : Kepler-961 b
Alternate Name : "2MASS J18480851+4337525 b, K01818.01, KIC 7870032 b, KOI-1818 b, KOI-1818.01, WISE J184808.51+433752.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.2270 (Rjup) 2.5444 (Rearth)
Mass (Mjup / Me): 0.0198 (Mjup) 6.2880 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1270 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0462
Orbital Period(Observed/Estimated) 16.88 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.9712
Star Radiation at Atmospheric Boundary: 52969.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 677.1 (K)
Blackbody T 0.3(K) 635.9 (K)
Blackbody T 0.7(K) 514.5 (K)
Tidally Locked Blackbody T 0.1(K) 805.2 (K)
Tidally Locked Blackbody T 0.3(K) 756.2 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-961
Alternate Name : "2MASS J18480851+4337525, KIC 7870032, KOI-1818, WISE J184808.51+433752.5"
Star Distance(LY) : 1872.5
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 2.8 (GY)
Temperature : 5560 (K)
Spectral type : G6
UV portion[%]: 7.2
Visible portion[%]: 43.8
IR portion[%]: 49.0
Metalicity : 0.1
Absolute Magnitude: 4.1
Apparent Magnitude: 12.9
Right Ascension(RA) 282.0355
Declination (DEC) 43.6313
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 764 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-961&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-961%20b/
Kepler-961 b
Kepler-961 b

  • Kepler-961 b is an exoplanet orbiting the star Kepler-961, located about 1872.5 light-years (574.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-961 has apparent magnitude of 12.9, with absolute magnitude of 4.1.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5560 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-961 b orbits around the star Kepler-961 every 16.9 days with its orbital distance of 0.13 AU ( 19003074.7 km)
  • (Projected orbit of Kepler-961 b around its host star Kepler-961)


  • The Star Kepler-961 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.572 AU ( 85558973.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.791 AU ( 118264860.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.205 AU ( 180209476.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.773 AU ( 265186138.4 km)
  • Radiation at Planetary Boundary of Kepler-961 b : 52969.12 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-961)



  • Kopparapu Recent Venus for Star Kepler-961 distance : 0.600 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-961 distance : 0.760 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-961 distance : 0.734 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-961 distance : 0.805 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-961 distance : 1.351 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-961 distance : 1.425 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-961)



  • Original Kopparapu Recent Venus for Star Kepler-961 distance : 0.599 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-961 distance : 0.782 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-961 distance : 0.792 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-961 distance : 1.375 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-961 distance : 1.430 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-961)



    (Position in Stellar Map of star Kepler-961 and its Exoplanet Kepler-961 b)



    (Zoomed position in Stellar Map of star Kepler-961 and its Exoplanet Kepler-961 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-961*)
    *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