Kepler-37d

Kepler-37d is an extrasolar planet (exoplanet) discovered by the Kepler space telescope in February 2013. It is located 209 light years away, in the constellation Lyra. With an orbital period of 40 days, it is the largest of the three known planets orbiting its parent star Kepler-37. Kepler-37d is an extrasolar planet (exoplanet) discovered by the Kepler space telescope in February 2013. It is located 209 light years away, in the constellation Lyra. With an orbital period of 40 days, it is the largest of the three known planets orbiting its parent star Kepler-37.