List of Extrasolar Planet Extremes - System Characteristics

System Characteristics

Title System Planet(s) Star(s) Notes
System with most (confirmed) planets HD 10180 7 1 The planets are HD 10180b, c, ..., h. This system has 2 unconfirmed planets and more data is needed to confirm their existence.
System with most stars Kepler 64 PH1 4 PH1's official name is Kepler 64b. PH1 has a circumbinary orbit.

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