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White Paper: A Comparison of Lunar Landing Trajectory Strategies Using Numerical Simulations

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The paper describes the complete strategies for trajectory design from Earth-launch to Lunar landing.

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White Paper: Deconfliction Scheduler Algorithms

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This paper is focused on the final piece, the scheduler algorithms and framework provided by Optwise Corporation.

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White Paper: Long-Term Prediction of GPS Accuracy: Understanding the Fundamentals

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This paper will explore the obstacles inherent in predicting GNSS-based navigation accuracy.

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White Paper: Optimal Time Transfer

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This paper describes optimal time transfer.

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White Paper: Angles Only Three-Axis Attitude Determination

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The problem of determining the attitude from measurements of arc lengths or equivalently from measurements of dot products of vectors is examined

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White Paper: Efficient Covariance Interpolation Using Blending Of Approximate State Error Transitions

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This paper describes a new method for interpolating covariance in which an approximate state error transition is incorporated.

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White Paper: Ephemeris Requirements For Space Situational Awareness

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This paper describes the ephemeris requirements for Space Situational Awareness (SSA).

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White Paper: Estimation Of Instantaneous Maneuvers Using A Fixed Interval Smoother

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The analysis of these nearly instantaneous maneuvers is the focus of this study.

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White Paper: Integrated Surveillance Model for the Assessment of Surveillance Architectures and Operations

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This paper describes the integrated surveillance model for the assessment of surveillance architectures and operations

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White Paper: Parametric Characterization of SGP4 Theory and TLE Positional Accuracy

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This paper demonstrates the ability of “Enhanced GP” (EGP) to fit notional “truth orbits” derived from using a full-force modeling

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White Paper: A Comprehensive Assessment of Collision Likelihood in Geosynchronous Earth Orbit

  • Dan Oltrogge
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Knowing the likelihood of collision for satellites is of extreme importance and interest to the global space community

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White Paper: An Analysis of State Vector Prediction Accuracy

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The requirements for precise orbit determination (OD) and propagation are becoming commonplace as numerical operations become standard.

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White Paper: Analysis Of The Response Of A Space Surveillance Network To Orbital Debris Events

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Minimizing space debris and mitigating the consequences of near Earth orbital debris have been serious issues for several years

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White Paper: Formation Flying Of A Telescope/Occulter System With Large Separations In An L2 Libration Orbit

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This paper shows the formation flying of a telescope/occulter system with large separations in an L2 libration orbit

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White Paper: Generalization of Adaptive Attitude Tracking

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This paper describes the generalization of adaptive attitude tracking.

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White Paper: Status Report of AGI’s Commercial Space Operations Center and other AGI SSA Initiatives

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Status Report of AGI’s Commercial Space Operations Center and other AGI SSA Initiatives

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White Paper: Satellite Survivability Module (SSM), Version 2.0

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This paper describes the Satellite Survivability Module (SSM), Version 2.0

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White Paper: A Preliminary Analysis of State Vector Prediction Accuracy

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This paper shows numerical results for propagating satellite state vectors against known POE’s and against precise ephemerides

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White Paper: Calculation of Weak Stability Boundary Ballistic Lunar Transfer Trajectories

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The efficient calculation of this transfer is the subject of this paper.

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