Providing non-downloadable computer simulation software for modeling space simulation; providing non-downloadable computer software used for spacecraft trajectory design, visualization, and optimization and for satellite maneuver automation planning and control; providing non-downloadable computer software in the field of space simulation design, analysis, and operations; providing non-downloadable computer software for space simulation; software as a service (SaaS) services, namely, space simulation software; software as a service (SaaS) services featuring software in the fields of artificial intelligence, augmented reality, and virtual reality for predicting, classifying, collecting, simulating, analyzing and optimizing data, for virtual reality simulation, all of the aforesaid in the field of aerospace; providing temporary use of on-line non-downloadable cloud computing software-as-a-service for monitoring and identifying real-time events and simulating position and movement of objects in space; providing temporary use of non-downloadable virtual reality training simulation software for use in education, training, and testing in the field of aerospace; online provision of non-downloadable web-based applications featuring virtual reality training simulation software for use in education, training, and testing in the field of aerospace.