Transponders; transponder location systems; downloadable software for spaceflight operations, namely, situational awareness that enables spacecraft operators to analyze the probability of, quantify and mitigate collision risks between space objects; downloadable software for the coordination of spaceflight operations in the field of astrodynamics and space domain awareness; downloadable software for projecting paths and movements of space objects, and providing alerts regarding same; downloadable software for providing information, alerts, and analysis regarding collision avoidance for space objects modeling, simulation, and analysis; downloadable software featuring software for a mapping platform for space, and for tracking and monitoring objects in space, space debris, and space satellites; downloadable software featuring software for analyzing space traffic safety for collision avoidance; downloadable software for projecting paths and movements of space objects, and providing alerts regarding same; downloadable software for providing information, alerts, and analysis regarding collision avoidance for space objects; downloadable computer simulation software for modeling space simulation; downloadable computer software used for spacecraft trajectory design, visualization, and optimization and for satellite maneuver automation planning and control; downloadable computer software in the field of space simulation design, analysis, and operations; downloadable computer software for space simulation; downloadable software 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; downloadable cloud computing software for monitoring and identifying real-time events and simulating position and movement of objects in space; downloadable virtual reality training simulation software for use in education, training, and testing in the field of aerospace; downloadable software featuring real-time mapping of objects in orbit