description Kepler-11f Overview
Kepler-11f is one of six known transiting planets orbiting the Sun-like star Kepler-11. Announced in 2011, it belongs to an unusually compact system in which five planets orbit closer to their star than Mercury does to the Sun. Transit timing variations allowed researchers to estimate planetary masses and densities, making the system important for studying the structures and formation of low-density sub-Neptune planets.
help Kepler-11f FAQ
How many planets orbit Kepler-11?
Six known transiting planets orbit the Sun-like star Kepler-11, including Kepler-11f. The system was announced in 2011.
Why is the Kepler-11 system unusual?
Five of its planets orbit closer to Kepler-11 than Mercury orbits the Sun. This makes the system unusually compact compared with our Solar System.
How was Kepler-11f's mass estimated?
Researchers used transit timing variations, meaning small changes in when the planets cross the star. The gravitational pulls among the planets reveal information about their masses and interactions.
Is Kepler-11f close to its host star?
Yes, Kepler-11f is part of a tightly packed system with short orbital distances. Its position is one reason the Kepler-11 planets are useful for studying compact planetary architecture.
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