Description: Kepler-42 c, previously KOI-961.02 then KOI-961 c, is an exoplanet orbiting Kepler-42, a star located about 131 light-years (40 pc) from the Solar System, in the constellation of Cygnus. A planetary system of at least three exoplanets with sizes between Mars and Venus has been detected around this red dwarf on January 11, 2012, by the method of transits with the help of the space telescope Kepler.
Mass (Jupiter mass): Unknown
Radius (Jupiter radius): 0.065 RJ
Density: 4.45 g/cm³
Equilibrium Temperature: 720.0 K
Orbital Period: 0.45328509 days
Semi-major Axis: 0.006 AU
Eccentricity: Unknown
Inclination: 81.11°
Host Star: Kepler-42
Spectral Type: M
Temperature: 3068.0 K
Stellar Mass: 0.13 M☉
Stellar Radius: 0.17 R☉
Planet Letter: c
Object ID: 3.1755
Host ID: 2.53529
Discovery Date: 2012-03
Discovery Year: 2011
Discovery Method: Transit
Discovery Locale: Space
Discovery Facility: Kepler
Discovery Instrument: Kepler CCD Array