Problems using numarray

[Sonium]

Hi, I am new to numarray and I'm going to use it in a nummerical 
computation of planet and probe orbits. There for I created a body 
class, representing an gravity affected mass (like a planet or a probe).
Now I have different bodys each with it's own position, velocity and 
mass that pull each other together by gravity. Based on the previous 
position and velocity I'm now calculating the positions and velocity for 
  the next timeframe and so on... So I get a quite high amout of data 
because i have to store (number-of-bodys)*(number-of-timeframe) objects.

Now, how can I use a numaray to store the body objects? I read the docu, 
but didn't figure out how to solve my problem. In C++ I just created a 
multidimensilnal array like data = new body[objects*timeframes] and I'm 
looking for something synonymous with numarray.

- Sonium