This is a old version since version 1.5.1 has already been released here:
http://orbithangar.com/searchname2.cfm?search=Orbiter+Scenario+Editor+1.5.1&Submit2=Search
The Orbiter Scenario Editor, this editor will allow you to scan you orbiter folder, it will import all your config files and then give you the ability to create a scenario file with a simple GUI, using the config files that it imported earlier.