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I always thought General Relativity predicts rosetta orbits even for the trajectory of the Earth around the sun, only that the rotation of the rosetta's lobes is very slow. Benjamin.friedrich ( talk) —Preceding undated comment added 09:28, 19 June 2019 (UTC)
I think you"re right. All orbits are hypotrochoidal. No need for a black hole. In our solar system, Mercury's orbit is the only one with significant residual apsidal precession, once the influence of the other planets have been taken into account. — Preceding unsigned comment added by 2605:B100:E020:7CC7:D802:6D63:35F6:EB3A ( talk) 19:58, 8 November 2021 (UTC)
Most astronomy sources refer to this as a rosette-shaped orbit, rather than a rosetta orbit. Praemonitus ( talk) 06:43, 10 December 2021 (UTC)
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I always thought General Relativity predicts rosetta orbits even for the trajectory of the Earth around the sun, only that the rotation of the rosetta's lobes is very slow. Benjamin.friedrich ( talk) —Preceding undated comment added 09:28, 19 June 2019 (UTC)
I think you"re right. All orbits are hypotrochoidal. No need for a black hole. In our solar system, Mercury's orbit is the only one with significant residual apsidal precession, once the influence of the other planets have been taken into account. — Preceding unsigned comment added by 2605:B100:E020:7CC7:D802:6D63:35F6:EB3A ( talk) 19:58, 8 November 2021 (UTC)
Most astronomy sources refer to this as a rosette-shaped orbit, rather than a rosetta orbit. Praemonitus ( talk) 06:43, 10 December 2021 (UTC)