allow msg.satid, msg.tle1 and msg.tle2 to override values in the node
allow msg.satid, msg.tle1 and msg.tle2 to override values in the node

the code allows for the incoming msg to override the options of the TLE node. This will allow someone to se an http-request node to get the satellite information, pass it (after using a split/join combination) to the TLE node and it will use the values in the incoming msg instead of what is hard coded in the node.
jdp1g09/node-red-satellites,jdp1g09/node-red-satellites