Imaginary Picture of Kepler-730 c

Display orbital revolution of Kepler-730 c around the hoststar Kepler-730
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Exoplanet Name : Kepler-730 c
Alternate Name : "2MASS J19021315+4534438 c, K00929.02, KIC 9141746 c, KOI-929 c, KOI-929.02, WISE J190213.15+453443.7 c"
Status : Confirmed
Radius (Rjup / Re): 0.1400 (Rjup) 1.5693 (Rearth)
Mass (Mjup / Me): 0.0126 (Mjup) 4.0115 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0400 (AU) 0.0400 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0078
Orbital Period(Observed/Estimated) 2.85 (Days Obs.) 2.85 (Days Est.)
Surface Gravity (G Earth) 1.6290
Star Radiation at Atmospheric Boundary: 1522369.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1567.7 (K)
Blackbody T 0.3(K) 1472.3 (K)
Blackbody T 0.7(K) 1191.2 (K)
Tidally Locked Blackbody T 0.1(K) 1864.4 (K)
Tidally Locked Blackbody T 0.3(K) 1750.8 (K)
Size Class: super-Earth-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 : Kepler-730
Alternate Name : "2MASS J19021315+4534438, KIC 9141746, KOI-929, WISE J190213.15+453443.7"
Star Distance(LY) : 6589.0
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 9.5 (GY)
Temperature : 5620 (K)
Spectral type : G6
UV portion[%]: 7.3
Visible portion[%]: 44.0
IR portion[%]: 48.7
Metalicity : 0.2
Absolute Magnitude: 2.9
Apparent Magnitude: 14.5
Right Ascension(RA) 285.5548
Declination (DEC) 45.5789
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-730&submit=SIMBAD+search
Open Exoplanet Database Link
Kepler-730 c
Kepler-730 c

  • Kepler-730 c is an exoplanet orbiting the star Kepler-730, located about 6589.0 light-years (2020.2 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star Kepler-730 has apparent magnitude of 14.5, with absolute magnitude of 2.9.
  • It is 1.1 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5620 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-730 c orbits around the star Kepler-730 every 2.9 days with its orbital distance of 0.04 AU ( 5979426.9 km)
  • (Projected orbit of Kepler-730 c around its host star Kepler-730)


  • The Star Kepler-730 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.965 AU ( 144327755.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.334 AU ( 199498674.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.032 AU ( 303991831.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.990 AU ( 447337296.9 km)
  • Radiation at Planetary Boundary of Kepler-730 c : 1522369.24 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-730)



  • Kopparapu Recent Venus for Star Kepler-730 distance : 1.009 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-730 distance : 1.278 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-730 distance : 1.234 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-730 distance : 1.354 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-730 distance : 2.267 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-730 distance : 2.391 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-730)



  • Original Kopparapu Recent Venus for Star Kepler-730 distance : 1.008 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-730 distance : 1.314 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-730 distance : 1.333 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-730 distance : 2.307 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-730 distance : 2.399 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-730)



    (Position in Stellar Map of star Kepler-730 and its Exoplanet Kepler-730 c)



    (Zoomed position in Stellar Map of star Kepler-730 and its Exoplanet Kepler-730 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-730*)
    *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