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Kepler-56c

A diagram of the planetary system of Kepler-56
Discovery
Discovered by	Daniel Huber et al.
Discovery date	16 October 2013
Detection method	Transit method
Orbital characteristics
Semi-major axis	0.1652 ± 0.0059 AU (24,710,000 ± 880,000 km)
Orbital period (sidereal)	21.40239+0.00059 −0.00062 d
Star	Kepler-56
Physical characteristics
Mean radius	9.80 ± 0.46 R🜨
Mass	181+21 −19 ME
Mean density	1.06+0.14 −0.13 g cm

Kepler-56c is a hot Jupiter (a class of exoplanets) orbiting the star Kepler-56, located in the constellation Cygnus. It was discovered by the Kepler telescope in October 2013. It orbits its parent star only 0.17 AU (16 million mi; 25 million km) away; at its distance, it completes an orbit once every 21.4 days. Its orbit is significantly misaligned with its parent star's equator. Further studies have revealed that a third planet, 56d, is responsible for misaligning the orbits of both planets.

Both Kepler-56b and Kepler-56c will be devoured by their parent star in about 130 and 155 million years, respectively. Further research shows that it will have its atmosphere boiled away by intense heat from the star, and it will be stretched by the strengthening stellar tides.

References

1. ^ Huber, D.; et al. (2013). "Stellar Spin-Orbit Misalignment in a Multiplanet System". Science. 342 (6156): 331–4. arXiv:1310.4503. Bibcode:2013Sci...342..331H. doi:10.1126/science.1242066. PMID 24136961. S2CID 1056370.
2. Huber, Daniel; Carter, Joshua A.; et al. (2013-10-18). "Stellar Spin-Orbit Misalignment in a Multiplanet System". Science. 342 (6156): 331–334. arXiv:1310.4503. Bibcode:2013Sci...342..331H. doi:10.1126/science.1242066. PMID 24136961. S2CID 1056370.
3. ^ Charles Poladian (2014-06-03). "Cosmic Snack: Planets Kepler-56b And Kepler-56c Will Be Swallowed Whole By Host Star". International Business Times. Retrieved 7 August 2017.

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Space probe launches	Space probes LADEE (lunar orbiter; Sep 2013) Mars Orbiter Mission (Mars orbiter; Nov 2013) MAVEN (Mars orbiter; Nov 2013) Chang'e 3 / Yutu (mission to the Moon; Dec 2013) Space observatories IRIS (solar observation; Jun 2013) Hisaki (ultraviolet observation; Sep 2013) Gaia (astrometric observation; Dec 2013)
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External links

• Kepler-56c at NASA's website

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