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| == Planetary system == | == Planetary system == | ||
| Kepler-37b is the closest to the star. |
Kepler-37b is the closest to the star. It is | ||
| the smallest known exoplanet as of February 2013. | |||
| At 3865 kilometers in diameter it is barely larger | |||
| than ] ]. It orbits Kepler-37 | |||
| once every 13 days and is too small and too close | |||
| to its star to maintain an atmosphere. | |||
| Kepler-37c is similar in size to ]. | Kepler-37c is similar in size to ]. | ||
Revision as of 03:10, 21 February 2013
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Diagram showing star positions and boundaries of the constellation and its surroundings Location of Kepler-37 in (circled) |
Kepler-37 is a star 215.2 light years away in the constellation Lyra. It is host to the exoplanets Kepler-37b, Kepler-37c and Kepler-37d. They all orbit very close to the star. Kepler-37 has a mass of about 0.803 percent the sun's, and a radius of about 0.770 percent. It is roughly 6 million years old.
Planetary system
Kepler-37b is the closest to the star. It is the smallest known exoplanet as of February 2013. At 3865 kilometers in diameter it is barely larger than Earths moon. It orbits Kepler-37 once every 13 days and is too small and too close to its star to maintain an atmosphere.
Kepler-37c is similar in size to Venus.
Kepler-37d is about three times the size of Earth. it has an orbital period of 39.792187 days.
References
- Nature,
- Bad Astronomy,
- NASA,
- JPL
See also
- NASA, Kepler mission, Table of Confirmed Planets
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