Valuation of On-Orbit Servicing in Proliferated Low-Earth Orbit Constellations by Luu, Michael, Hastings, Daniel E.

“…However, there are currently no plans for OOS of low-earth orbit (LEO) s/c, aside from technology demonstrations, because of their shorter design life and lower cost. …”
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Review of On-Orbit Servicing Considerations for Low-Earth Orbit Constellations by Luu, Michael, Hastings, Daniel E.

“…More recently, the space industry is rapidly deploying a high number of satellites in proliferated low-earth orbit (LEO) constellations at orders of magnitude not seen before. …”
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Mobile target tracking using a reconfigurable low earth orbit constellation by Morgan, Sarah, McGrath, Ciara N., de Weck, Olivier L

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Localized In-Situ Density Measurement in Low Earth Orbit via Drag Torque Estimation by Fitzgerald, Riley McCrea, Cahoy, Kerri

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Low Earth Orbit Slotting for Space Traffic Management Using Flower Constellation Theory by Arnas, David, Lifson, Miles, Linares, Richard, Avenda, Martin

“…This paper proposes the use of Flower Constellation (FC) theory to facilitate the design of a Low Earth Orbit (LEO) slotting system to avoid collisions between compliant satellites and optimize the available space. …”
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Definition of Low Earth Orbit Slotting Architectures Using 2D Lattice Flower Constellations by Arnas, David, Lifson, Miles, Linares, Richard, Avendaño, Martín E

“…© 2020 COSPAR This work proposes the use of 2D Lattice Flower Constellations (2D-LFCs) to facilitate the design of a Low Earth Orbit (LEO) slotting system to avoid collisions between compliant satellites and to optimize the available orbital volume. …”
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An Updated Comparison of Four Low Earth Orbit Satellite Constellation Systems to Provide Global Broadband by Pachler, Nils, del Portillo, Inigo, Crawley, Edward F, Cameron, Bruce G

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Exploring the Trade-offs of Aggregated versus Disaggregated Architectures for Environmental Monitoring in Low-Earth Orbit by Dwyer, Morgan, Selva, Daniel, Szajnfarber, Zoe, Del Portillo Barrios, Inigo, Sanchez Net, Marc, Cameron, Bruce Gregory, Crawley, Edward F.

“…Finally, we investigate several trades that are currently under consideration by NOAA and the DoD and make recommendations for future environmental monitoring systems in low-Earth orbit.…”
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A technical comparison of three low earth orbit satellite constellation systems to provide global broadband by Del Portillo Barrios, Inigo, Cameron, Bruce Gregory, Crawley, Edward F

“…After a relatively quiet period following the setbacks suffered by the projects proposed in the 90's, a new wave of proposals for large constellations of low Earth orbit (LEO) satellites to provide global broadband access emerged in 2014 - 2016. …”
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A Delphi-Based Framework for systems architecting of in-orbit exploration infrastructure for human exploration beyond Low Earth Orbit by Aliakbargolkar, Alessandro, Crawley, Edward F

“…This paper addresses this need by presenting a Delphi-Based Systems Architecting Framework for integrated architectural analysis of future in-orbit infrastructure for human space exploration beyond Low Earth Orbit. The paper is structured in two parts. …”
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Real‐Time Thermospheric Density Estimation via Two‐Line Element Data Assimilation by Gondelach, David J, Linares, Richard

“…Inaccurate estimates of the thermospheric density are a major source of error in low Earth orbit prediction. In this work, we develop a reduced-order dynamic model for the thermospheric density by computing the main spatial modes of the atmosphere and deriving a linear model for the dynamics. …”
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Nominal definition of satellite constellations under the Earth gravitational potential by Arnas, David, Casanova, Daniel

“…Finally, an example of application of these methodologies is presented for a low Earth orbit.…”
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Space Objects Maneuvering Prediction via Maximum Causal Entropy Inverse Reinforcement Learning by Doerr, Bryce G, Linares, Richard, Furfaro, Roberto

“…Lastly, this paper develops results for scenarios involving Low Earth Orbit (LEO) station-keeping and Geostationary Orbit (GEO) station-keeping.…”
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An investigation on space debris of unknown origin using proper elements and neural networks by Wu, Di, Rosengren, Aaron J.

“…Proper elements for debris fragments in low-Earth orbit are computed using an ad hoc numerical scheme, akin to the state-of-the-art Fourier-series-based synthetic method for the asteroid domain. …”
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Small Mirrors for Small Satellites: Design of the Deformable Mirror Demonstration Mission CubeSat (DeMi) Payload by Douglas, Ewan S, Allan, Greg, Morgan, Rachel, Holden, Bobby G, Gubner, Jennifer, Haughwout, Christian, do Vale Pereira, Paula, Xin, Yinzi, Merk, John, Cahoy, Kerri L

“…<jats:p>The Deformable Mirror Demonstration Mission (DeMi) is a technology demonstration CubeSat to test a 140 actuator micro-electromechanical system (MEMS) deformable mirror in low-Earth orbit. Such mirrors can provide precise wavefront control with low size, weight, and power per actuator. …”
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Nonlinear Optics for Frequency-Doubling in Nanosatellite Laser Communication by Clark, James R., Cahoy, Kerri

“…However, while satellite-to-ground optical communication has been tested from low Earth orbit and the Moon, intersatellite optical links are still an area of active research and development. …”
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Connecting the other half: Exploring options for the 50% of the population unconnected to the internet by Del Portillo Barrios, Inigo, Eiskowitz, Skylar, Crawley, Edward F, Cameron, Bruce Gregory

“…In particular, constellations of geostationary orbit (GEO) satellites, large constellations of medium Earth orbit (MEO) and low Earth orbit (LEO) satellites, and high- and low-altitude aerial platforms are studied. …”
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Performance Analysis of Algorithms for Coordination of Earth Observation by CubeSat Constellations by Kennedy, Andrew, Cahoy, Kerri

“…The algorithms are simulated for 24 h with an 18 satellite Low Earth Orbit constellation. Three orbital geometries are examined, with different configurations of intersatellite and satellite-to-ground communications links to share planning information. …”
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Design and testing of auv docking modules for a renewably powered offshore auv servicing platform by Haji, Maha N., Tran, Jimmy, Norheim, Johannes J, de Weck, Olivier L

“…PEARL is an integrated autonomous floating servicing station that utilizes renewable energy to simultaneously provide AUV battery recharging and data uplink via new generation high-bandwidth low-Earth orbit satel-lite constellations. This paper details the design and testing of two potential AUV docking modules of the PEARL system. …”
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Autonomous satellite navigation using intersatellite laser communications by Davé, Pratik K. (Pratik Kamlesh), Cahoy, Kerri

“…Numerical simulations are used to compare the lasercom crosslink approach with traditional positioning and navigation methods in example application cases in low Earth-orbit (LEO), geostationary Earth-orbit (GEO), highly elliptical orbit (HEO), and a Mars-orbiting constellation. …”
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