Imaginary Picture of Kepler-1001 c

Display orbital revolution of Kepler-1001 c around the hoststar Kepler-1001
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Exoplanet Name : Kepler-1001 c
Alternate Name : "2MASS J19050572+4837073 c, K01889.02, KIC 11074178 c, KOI-1889 c, KOI-1889.02, WISE J190505.73+483707.2 c"
Status : Confirmed
Radius (Rjup / Re): 0.1410 (Rjup) 1.5805 (Rearth)
Mass (Mjup / Me): 0.0127 (Mjup) 4.0382 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0829 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0251
Orbital Period(Observed/Estimated) 9.18 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.6166
Star Radiation at Atmospheric Boundary: 125765.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 840.5 (K)
Blackbody T 0.3(K) 789.3 (K)
Blackbody T 0.7(K) 638.6 (K)
Tidally Locked Blackbody T 0.1(K) 999.5 (K)
Tidally Locked Blackbody T 0.3(K) 938.7 (K)
Size Class: super-Earth-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-1001
Alternate Name : "2MASS J19050572+4837073, KIC 11074178, KOI-1889, WISE J190505.73+483707.2"
Star Distance(LY) : 3290.9
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.7 (GY)
Temperature : 5491 (K)
Spectral type : G7
UV portion[%]: 6.8
Visible portion[%]: 43.2
IR portion[%]: 50.0
Metalicity : -0.0
Absolute Magnitude: 4.1
Apparent Magnitude: 14.1
Right Ascension(RA) 286.2739
Declination (DEC) 48.6187
Hubble Space Telescope Guide Star Catalog (GSC) ID
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=Kepler-1001+&submit=SIMBAD+search
Open Exoplanet Database Link
Kepler-1001 c
Kepler-1001 c

  • Kepler-1001 c is an exoplanet orbiting the star Kepler-1001, located about 3290.9 light-years (1009.0 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star Kepler-1001 has apparent magnitude of 14.1, with absolute magnitude of 4.1.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5491 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-1001 c orbits around the star Kepler-1001 every 9.2 days with its orbital distance of 0.08 AU ( 12394619.8 km)
  • (Projected orbit of Kepler-1001 c around its host star Kepler-1001)


  • The Star Kepler-1001 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.575 AU ( 85989153.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.795 AU ( 118859481.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.211 AU ( 181115546.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.782 AU ( 266519460.1 km)
  • Radiation at Planetary Boundary of Kepler-1001 c : 125765.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1001)



  • Kopparapu Recent Venus for Star Kepler-1001 distance : 0.606 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1001 distance : 0.767 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1001 distance : 0.741 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1001 distance : 0.813 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1001 distance : 1.366 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1001 distance : 1.441 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1001)



  • Original Kopparapu Recent Venus for Star Kepler-1001 distance : 0.603 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1001 distance : 0.789 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1001 distance : 0.799 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1001 distance : 1.390 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1001 distance : 1.445 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1001)



    (Position in Stellar Map of star Kepler-1001 and its Exoplanet Kepler-1001 c)



    (Zoomed position in Stellar Map of star Kepler-1001 and its Exoplanet Kepler-1001 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-1001*)
    *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