The last time we saw these they were heading inwards at the same angle of trajectory. ( Please see my last SOHO video.) Are they transporting people to a new colony offworld? http://sohowww.nascom.nasa.gov/data/realtime/mpeg/
Get Satellite Height info at :- http://upload.wikimedia.org/wikipedia/commons/8/82/Orbitalaltitudes.jpg Filmed using Yukon Ranger. Filmed out of bedroom window.