While US officials are worried about Russian anti-satellite weapons, or ASATs, the behavior of Russia's Nivelir satellites is puzzling. It's clear that Russia is deliberately launching these ...

Low Earth Orbit (LEO) satellites undergo a period of rapid development driven by ever-increasing user demands, reduced costs, and technological progress. Since there is a lack of literature on the ...

With the fast development of low earth orbit (LEO) enhanced global navigation satellite system (LeGNSS), there is huge demand in LEO real-time precise orbit determination. Real-time service from ...