The Strange Orbits of Trojan And Co-Orbital Moons
Автор: AstroPhil
Загружено: 2021-06-26
Просмотров: 1158
Описание:
Trojan moons or asteroids, also known as co-orbital moons, typically exist at the L4 and L5 Lagrange points in the two boy problem. Here, the combined gravitational forces of the larger masses balance the centrifugal forces of a small mass. Unlike the L1, L2 and L3 Lagrange points, L4 and L5 are stable. Many natural objects end up captured in these locations, like Jupiter's Trojan asteroids which share its orbit but 60 degrees in front and behind. Instead of orbiting the large mass they appear to orbit the Lagrange point which orbits with the second larger mass. This can give them unusual looking orbits.
Many planets have co-orbital moons, like Saturn, Mars, Earth and Jupiter.
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