HD218396 Planetary System Data
Image courtesy of the
W. M. Keck Observatory
| Planet Designation | Orbital Elements |
Orbital Period (years) |
Maximum Mass (ME) |
Discovery |
| Semimajor Axis (AU) | Eccentricity |
Discoverer Name | Announcement Date |
| HD218396 b |
68 | |
460 | 2000 |
C. Marois, et al | 2008 November 13 |
| HD218396 c |
38 | |
190 | 3000 |
C. Marois, et al | 2008 November 13 |
| HD218396 d |
24 | |
100 | 3000 |
C. Marois, et al | 2008 November 13 |
1 AU = 1.49597870691·1011 m
1 year = 365.25 days = 31557600 s
1 ME = 5.9742·1024 kg
Copyright © 2008, Alexander J. Willman, Jr. All rights reserved.
The URL of this page is:
http://www.princeton.edu/~willman/Planetary_systems/HD218396/
This page was last updated: 2008 November 13
You may contact Alex at:
willman@Princeton.EDU
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