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HD 69830 System

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Exoplanetary Scratchpad

[SysBP Img]

First planetary system found that does not have a Jupiter-sized planet around a normal star (K0 spectrum). Contains 3 Neptunians and the first discovered asteroid belt that is like the size and age as the Sun's. The debris from this belt that was detected was from the breakup of an asteroid, is 20 times as massive as our own, and would cause zodiacal lights 1000 times brighter than we see from Earth. The smallest and outermost planet may be a 10 ME super Earth, is within the habitable zone, and is an inner shepherd for the asteroid belt. Halo 3 features a fictitious moon around this planet.

HD 69830 System Web Pages

HD 69830 System Artwork

HD 69830 System In the News

Asteroid Belt Discovered (Apr 2005)

The first extrasolar asteroid belt is detected around this star that is about the same size and age as the Sun's. http://www.space.com/businesstechnology/technology/technovel_asteroid_050429.html
http://www.timesonline.co.uk/tol/news/world/article383892.ece
http://news.nationalgeographic.com/news/2005/04/0421_050421_spitzer.html http://www.astronomy.com/asy/default.aspx?c=a&id=3079 http://www.newscientist.com/article.ns?id=dn7291 http://www.guardian.co.uk/uk_news/story/0,3604,1464446,00.html http://skytonight.com/news/3310241.html?page=1&c=y http://www.csmonitor.com/2005/0421/p02s01-usgn.html http://www.nasa.gov/home/hqnews/2005/apr/HQ_05101_spitzer_belt.html http://news.bbc.co.uk/1/hi/sci/tech/4465329.stm http://www.space.com/scienceastronomy/050420_alien_asteroid.html

Planets c and d Discovered (2006)

http://planetary.org/news/2006/0530_Scientists_Discover_a_Very.html
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2006/05/18/MNG9CITKML1.DTL&type=science
http://www.spacedaily.com/2006/060518104113.yrivtt8l.html http://www.eso.org/outreach/press-rel/pr-2006/pr-18-06.html http://news.nationalgeographic.com/news/2006/05/star-planet.html http://www.space.com/scienceastronomy/060517_netpune_planets.html http://space.newscientist.com/article/dn9181-extrasolarplanet-hunters-find-tripleneptune-system.html http://www.csmonitor.com/2006/0306/p25s02-stss.html

HD 69830 System Fun Links

System Factoids

  • Sample Factoid
  • Sample Factoid

HD 69830 Star Factoids

  • Sample Factoid
  • Sample Factoid

Planet b Star Factoids

  • Sample Factoid
  • Sample Factoid

Map of HD 69830 System

0.00 AU - HD 69830
x.xx AU - <periapsis/semi-major-axis/apapsis of sample planet>
x.xx AU - <habitability zone/stability zone/disk feature positions>

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