Forming Different Planetary Systems

TL;DR

This review summarizes statistical properties of exoplanetary systems, interprets them through core-accretion models, and classifies planetary systems into distinct categories based on formation routes and orbital architectures.

Contribution

It provides a comprehensive classification of planetary systems based on formation scenarios and observational data, integrating various formation environments.

Findings

Identification of three major planetary system types: hot Jupiter, standard, and distant giant systems.

Sub-classification of standard systems into solar-like, hot Super-Earth, and sub-giant systems.

Analysis of planet formation in binary systems and star clusters.

Abstract

With the increasing number of detected exoplanet samples, the statistical properties of planetary systems have become much clearer. In this review, we summarize the major statistics that have been revealed mainly by radial velocity and transiting observations, and try to interpret them within the scope of the classical core-accretion scenario of planet formation, especially in the formation of different orbital architectures for planetary systems around main sequence stars. Based on the different possible formation routes for different planet systems, we tentatively classify them into three major catalogs: hot Jupiter systems, standard systems and distant giant planet systems. The standard system can be further categorized into three sub-types under different circumstances: solar-like systems, hot Super-Earth systems, sub-giant planet systems. We also review the planet detection and formation in binary systems as well as planets in star clusters.