Exoplanetary systems show a wide variety of architectures, which can be explained by different formation and dynamical evolution processes. Precise orbital monitoring is mandatory to accurately constrain their orbital and dynamical parameters. Although major observational and theoretical advances have been made in understanding the architecture and dynamical properties of exoplanetary systems, many outstanding questions remain. This paper aims to give a brief review of a few current challenges in orbital and dynamical studies of exoplanetary systems and a few future prospects for improving our knowledge. Joint data analyses from several techniques are providing precise measurements of orbits and masses for a growing sample of exoplanetary systems, both with close-in orbits and with wide orbits, as well as different evolutionary stages. The sample of young planets detected around stars with circumstellar disks is also growing, allowing for simultaneous studies of planets and their birthplace environments. These analyses will expand with ongoing and future facilities from both ground and space, allowing for detailed tests of formation, evolution, and atmospheric models of exoplanets. Moreover, these detailed analyses may offer the possibility of finding missing components of exoplanetary systems, such as exomoons, or even finding new exotic configurations such as co-orbital planets. In addition to unveiling the architecture of planetary systems, precise measurements of orbital parameters and stellar properties—in combination with more realistic models for tidal interactions and the integration of such models in N-body codes—will improve the inference of the past history of mature exoplanetary systems in close-in orbits. These improvements will allow a better understanding of planetary formation and evolution, placing the solar system in context.

中文翻译：

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研讨会摘要：系外行星轨道和动力学


系外行星系统表现出各种各样的体系结构，这可以通过不同的形成和动力学演化过程来解释。为了准确约束其轨道和动力学参数，必须进行精确的轨道监测。尽管在理解系外行星系统的结构和动力学特性方面已经取得了重大的观测和理论进展，但仍然存在许多悬而未决的问题。本文旨在简要回顾当前系外行星系统轨道和动力学研究中的一些挑战，以及提高我们知识的一些未来前景。来自多种技术的联合数据分析正在为越来越多的系外行星系统样本（包括近距离轨道和宽轨道以及不同的演化阶段）提供轨道和质量的精确测量。在具有星周盘的恒星周围检测到的年轻行星样本也在不断增加，从而可以同时研究行星及其诞生地环境。这些分析将通过正在进行和未来的地面和太空设施进行扩展，从而可以对系外行星的形成、演化和大气模型进行详细测试。此外，这些详细的分析可能提供寻找系外行星系统缺失组件（例如系外卫星）的可能性，甚至找到新的奇异结构（例如共轨道行星）。除了揭示行星系统的架构之外，对轨道参数和恒星特性的精确测量——结合更现实的潮汐相互作用模型以及将此类模型集成到 N 体代码中——将改善对成熟行星过去历史的推断。近距离轨道上的系外行星系统。 这些改进将使人们更好地了解行星的形成和演化，并将太阳系置于背景中。