Orbit determination (OD) for spacecraft with unknown maneuver is always a challenging
task. This paper proposes a novel framework for efficiently solving continuously …

Satellite encounters during close operations, such as rendezvous, formation, and cluster
flights, are typical long-term encounters. The collision probability in such an encounter is a …

Impulsive trajectories provide time-and Δ V-reachability insights. Two novel homotopy-
based methods are proposed for generating optimal many-impulse, multirevolution …

We investigate the pursuit-evasion differential game (PE Game) for satellites with continuous
thrust from the viewpoint of reachable domain (RD). A concept of hyper-reachable domain …

Low-thrust electric propulsion system has drawn increasing attention from researchers
because of its high propellant efficiency. The reachable domain of low-thrust spacecraft can …

The conventional reachable domain problem for satellites with a single impulse under the
ideal two-body dynamical environment was extended to a more realistic scenario that takes …

Orbital pursuit–evasion (OPE) has garnered significant attention due to its potential
applications in space rendezvous and proximity operations. Conventional methods using …

The threat of potential hazardous near-Earth asteroid (PHA) impact on Earth is increasingly
attracting public attention. Monitoring and early warning of those PHAs are the premise of …

航天器轨道机动可达域是表征其在未来时间可能到达空间位置集合的有效方式,
对维护航天器在轨安全, 改善空间态势感知能力具有重要意义. 现有关于可达域计算的方法仍然 …

Orbit uncertainty propagation plays an important role in the analysis of a space mission. The
accuracy and computation expense are two critical essences of uncertainty propagation …