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White Paper: A Comparison of Lunar Landing Trajectory Strategies Using Numerical Simulations
The paper describes the complete strategies for trajectory design from Earth-launch to Lunar landing.
Read MoreWhite Paper: Angles Only Three-Axis Attitude Determination
The problem of determining the attitude from measurements of arc lengths or equivalently from measurements of dot products of vectors is examined
Read MoreWhite Paper: Efficient Covariance Interpolation Using Blending Of Approximate State Error Transitions
This paper describes a new method for interpolating covariance in which an approximate state error transition is incorporated.
Read MoreWhite Paper: Ephemeris Requirements For Space Situational Awareness
This paper describes the ephemeris requirements for Space Situational Awareness (SSA).
Read MoreWhite Paper: Estimation Of Instantaneous Maneuvers Using A Fixed Interval Smoother
The analysis of these nearly instantaneous maneuvers is the focus of this study.
Read MoreWhite Paper: A Comprehensive Assessment of Collision Likelihood in Geosynchronous Earth Orbit
- Dan Oltrogge
Knowing the likelihood of collision for satellites is of extreme importance and interest to the global space community
Read MoreWhite Paper: An Analysis of State Vector Prediction Accuracy
The requirements for precise orbit determination (OD) and propagation are becoming commonplace as numerical operations become standard.
Read MoreWhite Paper: Analysis Of The Response Of A Space Surveillance Network To Orbital Debris Events
Minimizing space debris and mitigating the consequences of near Earth orbital debris have been serious issues for several years
Read MoreWhite Paper: Status Report of AGI’s Commercial Space Operations Center and other AGI SSA Initiatives
Status Report of AGI’s Commercial Space Operations Center and other AGI SSA Initiatives
Read MoreWhite Paper: Advances in Satellite Conjunction Analysis
This paper explores the use of operational methodologies for appropriately thinning the resultant large data sets
Read MoreWhite Paper: How the Space Data Center Is Improving Safety of Space Operations
This paper will address how the SDC will use a service-oriented architecture (SOA) to support orbital operations.
Read MoreWhite Paper: Multi-Phenomenology Observation Network Evaluation Tool (MONET)
This paper describes the multi-phenomenology observation network evaluation tool.
Read MoreTechnical analysis of commercially hosted optical payloads for enhanced SSA
This paper describes technical analysis of commercially hosted optical payloads for enhanced SSA.
Read MoreWhite Paper: Verifying Observational Data For Real-World Space Situational Awareness
This paper describes the processes for the routine OD evaluations including the activities required to assemble and process the data.
Read MoreWhite Paper: A Description Of Filters For Minimizing The Time Required For Orbital Conjunction Computations
The identification of potentially dangerous conjunctions is most commonly done by determining periods of time when objects have the risk of collision
Read MoreWhite Paper: Analysis of the Iridium 33-Cosmos 2251 Collision
On 2009 February 10, Iridium 33—an operational US communications satellite in low-Earth orbit—was struck and destroyed by Cosmos 2251
Read MoreWhite Paper: Evaluating The Short Encounter Assumption Of The Probability Of Collision Formula
This paper shows how to evaluate the short encounter assumption of the probability of the collision formula.
Read MoreWhite Paper: Including Velocity Uncertainty In The Probability Of Collision Between Space Objects
The paper includes velocity uncertainty in the probability of collisions between space objects.
Read MoreWhite Paper: An Analysis of State Vector Propagation Using Differing Flight Dynamics Programs
The use of numerically generated state vectors for satellite operations is not new
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