16 Cygni B Planetary System Data

PlanetOrbital Elements Orbital Period (years) Minimum Mass (ME) Discovery
DesignationName Semimajor Axis (AU)Eccentricity Discoverer NameAnnouncement Date
16 Cyg B b  1.690.68 2.181534 B. Cochran & A. Hatzes;
G. Marcy & R. P. Butler1		1996 Oct (22?)
1 AU = 1.49597870691·1011 m            1 year = 365.25 days = 31557600 s            1 ME = 5.9742·1024 kg

  1. Independently discovered by two teams: B. Cochran and A. Hatzes, and G. Marcy and R. P. Butler
16 Cygni B has two stellar companions: 16 Cygni A at a distance of ~900 AU, and 16 Cygni C at an angular separation of ~70 arc seconds
Copyright © 1996, Alexander J. Willman, Jr. All rights reserved.
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