Abstract
Exoplanetary systems are seen outside the solar system which may be similar or may vary drastically with the solar system. A comparative study between seventeen selected exoplanetary systems with solar system is carried out taking some physical parameters as probes with the hope that a clue to the habitable system outside the solar system can be found. Selected exoplanets are revolving around a Sun like star and have more than one confirmed planetary companions and all these are detected using transit method. The details about the exoplanets and the host stars are collected from the exoplanetary encyclopedia available online. One of the inferences got from the study is that most of the studied exoplanets are nearer to its host stars unlike the solar system. Ninety eight percent of the selected confirmed exoplanets are situated out of the habitable zone boundary of the host star and are at a high inclination with respect to their host stars. The characteristics of the selected exoplanetary systems show similarities as well as differences from the solar system planets. A modified and more general Bode-Titius empirical relation is also suggested, for predicting the position of hitherto undetected exoplanets. Obviously there is a broad array of enhancements which can be pursued following on this line of study.
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