HD217107 Planetary System Data

PlanetOrbital Elements Orbital Period (years) Minimum Mass (ME) Discovery
DesignationName Semimajor Axis (AU)Eccentricity Discoverer NameAnnouncement Date
HD217107 b  0.0720.14 0.01952410 G. Marcy, et al1998 Oct 22
1 AU = 1.49597870691·1011 m            1 year = 365.25 days = 31557600 s            1 ME = 5.9742·1024 kg
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