From: vince@offshore.ai (Vincent Cate)
Newsgroups: sci.aeronautics.simulation
Subject: Java Simulator
NNTP-Posting-Host: 207.42.133.230
Message-ID: <9186edb5.0304161813.2f2ab4ef@posting.google.com>

On spacetethers.com I have a tether simulator that I am working on. 
The main motivation is to simulate space tethers, but I also do
orbits, rockets, trajectories, lift+drag, and reentry heating.   It is
a Java applet, so you can easily see some examples, or run your own
simulations.  Source is also available.

   -- Vince