Gliese 581 Planetary System Data
| Planet Designation | Orbital Elements |
Orbital Period (years) |
Minimum Mass (ME) |
Discovery |
| Semimajor Axis (AU) | Eccentricity |
Discoverer Name | Announcement Date |
| Gl 581 e |
0.03 | 0 |
0.0086226 | 1.94 |
M. Mayor, et al | 2009 April 21 |
| Gl 581 b |
0.04 | 0 |
0.014699 | 15.65 |
X. Bonfils, et al | 2005 August 22 |
| Gl 581 c |
0.07 | 0.17 |
0.035398 | 5.36 |
S. Udry, et al | 2007 April 24 |
| Gl 581 d |
0.22 | 0.38 |
0.183 | 7.09 |
S. Udry, et al | 2007 April 24 |
1 AU = 1.49597870691·1011 m
1 year = 365.25 days = 31557600 s
1 ME = 5.9742·1024 kg
Copyright © 2006, Alexander J. Willman, Jr. All rights reserved.
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