Profile: Mark

Your personal background.
G'day guys,
I have just joined Asteroids after trying for a month to get on too "orbit@home". I just found out that the last posting/update at their web page was in 2009, does this mean "humanity" knows every orbit of every object in our Solar system? Down too what size? then why was Russia reciently suprised with their "sonic boom" metior?
Why are we mapping Asteroid shapes and spins if we have not got them all located yet?
These and many more questions I would like answered, so feel free to send me any ideas, texts, reports and/or links that might help me.
Thanks all,
Mark Wagner.
mark_wagner@y7mail.com
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