Join us on April 5, 2023, from 1-4 PM EST as we will be participating in the Spring Career Fair at Bowie State University
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The Lunar Orbital Platform-Gateway1 is proposed as an outpost in deep space: a proving ground for deep space technologies and a staging location for missions beyond Earth orbit. Envisioned as a crew-tended spacecraft, the Gateway will be constructed over time as various components are delivered either as co-manifested payloads with Orion or independently without crew presence. Naturally, spacecraft and objects with a wide range of shapes and masses will also depart the Gateway for other destinations. Read this white paper to learn about the Lunar Orbital Platform-Gateway and Disposal, Deployment, and Debris in Near Rectilinear Halo Orbits.
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In 2020 the United States Space Force (USSF) released an implementation of the SGP4-XP propagator, an advanced version of the existing SGP4 propagator stated to deliver accuracy roughly equivalent to that of the USSF’s Special Perturbations Ephemeris propagator (SPEPH) with runtimes only 50% to 100% longer than SGP4. This paper presents an analysis of the performance characteristics of the SGP4-XP propagation algorithm and considers new and existing practical applications where it can be used more effectively than SGP4.
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