Are there any planets out past Pluto in our solar system? And, if so, what is it called?

smartie806

A couple years ago, scientists found a planetoid called Sedna that was similar to Pluto. This tells about it. http://www.nasa.gov/vision/universe/solarsystem/planet_like_body.html May 25 06, 3:42 PM

triviapaul

May I refer you to my quiz "New Planet Discovered! You Heard It Here First!" ? Especially the last question ;o) The best site I discovered during research is the excellent www.nineplanets.org May 25 06, 4:10 PM

sir_alan

charon is a very small planet past pluto, not many have heard of it. May 25 06, 4:26 PM

Flynn_17

That's because it's Pluto's moon. It has a geostationary orbit, and is about the same size as Pluto. It's not, I repeat not, another planet. May 25 06, 4:39 PM

zbeckabee

New planet found far past Pluto, and bigger By Alicia Chang The Associated Press Tucson, Arizona | Published: 07.30.2005 http://www.azstarnet.com/sn/science/86468.php May 25 06, 4:39 PM

tnrees

Pluto has an eliptical orbit so it is not always the outermost planet (assuming it realy is a planet not just a Kuiper belt object) May 26 06, 7:29 AM

elburcher

tnrees All planets have eliptical orbits. That is "Kepler's First Law of Planetary Motion" Kepler's first law The orbit of each planet is an ellipse with the sun at one focus. http://zebu.uoregon.edu/~soper/Orbits/kepler1.html Pluto has what is refrered to as an Eccentric Orbit http://www.nasm.si.edu/ceps/etp/pluto/pluto_orbit.html May 26 06, 9:42 AM

margot7

I understand that there is some controversy as to whether Pluto can be defined as a planet - Charon is, in any event, its satellite. I concur with Smartie about Sedna but, somewhere in the back of my mind, did I ever recall reading of a new planet named "Hermes?" Perhaps it was a "theoritical" planet that should be there somewhere - or maybe I'm going mad. Can anyone help? May 28 06, 8:36 AM

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