HD12661 Planetary System Data
| Planet Designation | Orbital Elements |
Orbital Period (years) |
Minimum Mass (ME) |
Discovery |
| Semimajor Axis (AU) | Eccentricity |
Discoverer Name | Announcement Date |
| HD12661 b |
0.85 | 0.347 |
0.722 | 785 |
G. Marcy, et al | 1999 Nov 14 |
| HD12661 c |
2.61 | 0.224 |
3.852 | 528 |
G. Marcy, et al | 2002 Jun 13 |
1 AU = 1.49597870691·1011 m
1 year = 365.25 days = 31557600 s
1 ME = 5.9742·1024 kg
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