Sparse observations make single-point track initialization difficult in some multitarget
tracking scenarios, including space-object tracking. A probabilistic admissible region …

Abstract Space situational awareness (SSA) refers to the ability to monitor and understand
the state of the space environment, including the ability to track, understand, and predict the …

The US military's dependence on inherently vulnerable space assets creates an incentive
for its adversaries to target US space systems. Establishing mission assurance through …

The orbital debris problem presents an opportunity for international cooperation toward the
mutually beneficial goals of orbital debris prevention, mitigation, remediation, and improved …

Thanks to its exceptional space surveillance capabilities, unrivalled around the world, the
US Department of Defense (DoD) plays a key role in space safety. Through the 18 th Space …

Purpose The US Government is challenged to maintain pace as the world's de facto provider
of space object cataloging data. Augmenting capabilities with nontraditional sensors present …

The congested exosphere continues to contain more satellites and debris, raising the
potential for destructive collisions. The Special Perturbations (SP) Tasker algorithm currently …

The US Government is the world's de facto provider of space object cataloging data, but it is
challenged to maintain pace in an increasingly complex space environment. This work …

The October 1957 launch of the Russian Sputnik I satellite set in motion the “space race,”
spurring a rush of innovative technologies which forever transformed our daily lives. The cell …

While humans have been utilizing space for almost sixty years, bringing numerous benefits
to society globally, the international community faces several key issues: the hazards posed …