HD 69830 c

Planetbox begin
name=HD 69830 cPlanetbox image

---

caption = HD 69830 and HD 69830 c
"(Celestia image)"Planetbox star
star=HD 69830
constell=Puppis
RA=RA|08|18|23.9
DEC=DEC|-12|37|55.8
dist_ly=41
dist_pc=12.6
class=K0VPlanetbox orbit
semimajor=0.186
eccentricity=0.13±0.06
period=31.56±0.04
ang_dist=14.762
long_peri=221±35
t_peri=2,453,469.6±2.8
semi-amp=2.66±0.16Planetbox character
mass=>0.038
temperature=~522Planetbox discovery
discovery_date=May 18, 2006
discovery_method=Radial velocity
discoverers=Lovis et al.
discovery_status=Published

HD 69830 c is the 2nd planet orbiting HD 69830. This is likely to be a rocky planet, not a gas giant. If it had formed as a gas giant, it would have stayed that way. [cite journal | journal=Geophysical Research Abstracts | volume=9| issue=07850 |year=2007 | url=http://www.cosis.net/abstracts/EGU2007/07850/EGU2007-J-07850.pdf?PHPSESSID=1eb3a7a98603083dda25d18001ea2a33 | title=The impact of nonthermal loss processes on planet masses from Neptunes to Jupiters |author=H. Lammer "et al."]

See also

* HD 69830 b
* HD 69830 d

References

*cite journal | url=http://www.nature.com/nature/journal/v441/n7091/abs/nature04828.html | author=Lovis et al.| title=An extrasolar planetary system with three Neptune-mass planets | journal=Nature | volume=441 |year=2006 | pages=305–309| doi=10.1038/nature04828