SPACEFLIGHT MECHANICS 2010

Volume 136PartiADVANCES IN THE ASTRONAUTICAL SCIENCES

Edited byDaniele MortariThomas F. Starchville, Jr.Aaron J. TraskJames K. Miller

Proceedings of the AAS/AIAA Space FlightMechanics Meeting held February 14-17,2010, San Diego, California.

CONTENTS

Page

FOREWORD vii

PREFACE xiPart I

SESSION 1: TRAJECTORY DESIGN AND OPTIMIZATION I 1Efficient Method for Optimization of Low-Thrust Trajectories (AAS 10-100) . . 3

Jesus Gil-Fernandez and M. A. Gomez-Tierno

Optimal Low Thrust Transfer Trajectories with Improved Stability Properties(AAS 10-101)

Iman Alizadeh and Benjamin Villac . . 19

Optimal Impulsive LEO to LEO Multiple-Pass Aeroassisted Orbital Transfer forSmall Spacecraft (AAS 10-102)

Christopher L. Darby and Anil V. Rao 39

Optimal Space Trajectories Via Particle Swarm Technique (AAS 10-103)Mauro Pontani and Bruce A. Conway 53

Numerical Verification of Singular Arcs on Optimal Moon-to-Earth Transfer(AAS 10-104)

Chandeok Park, Hui Yan, I. Michael Ross and Qi Gong . . . . . . . 73

Optimal Low-Thrust/Invariant Manifold Earth Moon Transfer Trajectories(AAS 10-105)

Christopher S. Martin and Bruce A. Conway 89

Necessary Conditions for Singular Arcs Involving Multiple Gravitational Bodies(AAS 10-106)

Chandeok Park, I. Michael Ross, Hui Yan and Qi Gong . . . . . . . 107

SESSION 2:SPACECRAFT GUIDANCE, NAVIGATION AND CONTROL I 123Spacecraft Stochastic Optimal Control (AAS 10-109)

Eric D. Gustafson and Daniel J. Scheeres . . 125

Continuous-Time Bilinear System Identification Using Single Experiment withMultiple Pulses (AAS 10-110)

Jer-Nan Juang, Cheh-Han Lee and Shyh-Biau Jiang 139

Fault-Tolerant Attitude Control of Miniature Satellites Using Reaction Wheels(AAS 10-111)

Godard, Noel Abreu and K. D. Kumar 159

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PageAbsolute Stability Analysis of a Phase Plane Controlled Spacecraft(AAS 10-112)

Jiann-Woei Jang, Michael Plummer, Nazareth Bedrossian, Charles Hall,Mark Jackson and Pol Spanos 179

Stationkeeping of Lissajous Trajectories in the Earth-Moon System withApplications to Artemis (AAS 10-113)

D. C. Folta, T. A. Pavlak, K. C. Howell, M. A. Woodard andD. W. Woodfork 193

Time Varying Deadbeat Controller Design (AAS 10-114)Manoranjan Majji, Jer-Nan Juang and John L. Junkins 209

Bang-Bang Trajectory Optimization Using Autonomous Phase Placement and MeshRefinement Satisfying Waypoints and No-Fly Zone Constraints (AAS 10-115)

Timothy R. Jorris and Anil V. Rao . . . . . 225

SESSION 3: DYNAMICAL SYSTEMS THEORY 243Analytical Model for Lunar Orbiter Revisited (AAS 10-116)

J.F.San-Juan . . ; 245

Exploiting Distant Periodic Orbits and Their Invariant Manifolds to DesignNovel Space Trajectories to the Moon (AAS 10-117)

G. Mingotti, F. Topputo and Bernelli-Zazzera 265

Periodic Orbits Families in the Hill's Three-Body Problem with SolarRadiationPressure (AAS 10-118)

Katherine, Yi-Yin Liu and Benjamin Villac 285

Preliminary Study on Orbit Maintenance of Halo Orbits under ContinuousDisturbance (AAS 10-119)

Masaki Nakamiya and Yasuhiro Kawakatsu 301

Computation of Quasi-Periodic Invariant Tori in the Restricted Three-BodyProblem (AAS 10-120)

Zubin P. Olikara and Kathleen C. Howell . . . . . . . . . . . 313

An L5 Mission to Observe the Sun and Space Weather, Part I (AAS 10-121)Martin W. Lo, Pedro J. Llanos and Gerald R. Hintz . . . . . . . . 329

Earth Satellite Perturbation Theories as Approximate KAM Tori (AAS 10-122)William E. Wiesel 345

Algorithmic Classification of Resonant Orbits Using Persistent Homology inPoincare Sections (AAS 10-123)

Thomas Coffee 357

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PageSESSION 4:ATMOSPHERIC RE-ENTRY AND LUNAR MISSION ANALYSIS 373Design and Validation of a Trajectory Estimation System for the HayabusaSample Return Capsule (AAS 10-125)

Michael A. Shoemaker, Guillaume Chamboredon, Marek Dittmar,Jozef C. van der Ha and Kazuhisa Fujita . . . 375

Skip-Entry Trajectory Planning using Reachable and Controllable Sets(AAS 10-126)

Joel Benito and Kenneth D. Mease 395

Mission Design and Performance Assessment for the Constellation LunarArchitecture (AAS 10-127)

Gerald L. Condon, Shaun Stewart and Jacob Williams 409

Investigation of Alternative Return Strategies for Orion Trans-Earth InjectionDesign Options (AAS 10-128)

Belinda G. Marchand, Sara K. Scarritt, Thomas A. Pavlak, Kathleen C. Howelland Michael W. Weeks 429

Evaluation of Dual Launch Lunar Architectures using the Mission AssessmentPost Processor (AAS 10-129)

Shaun M. Stewart, Juan S. Senent, Jacob Williams, Gerald L. Condon andDavid E. Lee . 447

Geosynchronous Orbit Via the Moon: Phasing Loops to Permit Daily Launch(AAS 10-130)

Andrew E. Turner 463

SESSION 5: ORBITAL DYNAMICS I 473An Adaptive Gaussian Sum Filtering Approach for Orbit Uncertainty Estimation(AAS 10r132)

Dan Giza, Puneet Singla and Moriba Jah . . 475

Analytical Expressions that Characterize Propellantless Capture withElectrostatically Charged Spacecraft (AAS 10-133)

Joseph W. Gangestad, George E. Pollock and James M. Longuski . . . . 489

Linearized Orbit Covariance Generation and Propagation Analysis Via SimpleMonte Carlo Simulations (AAS 10-134)

Chris Sabol, Thomas Sukut, Keric Hill, Kyle T. Alfrierid, Brendan Wright,You Li and Paul Schumacher . . . . . . . 509

Motion About an Oblate Primary (AAS 10-135)Mohammed Ghazy and Brett Newman. .527

New Families of Hybrid Orbit Propagators Based on Analytical Theories andTime Series Models (AAS 10-136)

J. F. San-Juan and M. San-Martin . . . . 547

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PageEarth-Impact Modeling and Analysis of a Near-Earth Object Fragmented andDispersed by Nuclear Subsurface Explosions (AAS 10-137) .

Bong Wie and David Dearborn. . . . . . . . . . . . . . 567

Solution to Lambert's Problem using Generalized Canonical Transformations(AAS 10-138)

Mai Bando and Hiroshi Yamakawa 587

Transforming Mean and Osculating Elements using Numerical Methods(AAS 10-139)

Todd A. Ely . 6 0 5

SESSION 6: ATTITUDE DYNAMICS AND CONTROL I 619ICESat Attitude And Pointing Correction using the Laser Reference Sensor(AAS 10-140)

Sungkoo Bae, Noah Smith and Bob Schutz 621

(AAS 10-141)Optimal Despin of a Tumbling Satellite with an Arbitrary ThrusterConfiguration, Inertia Matrix, and Cost Functional

Daniel Sheinfeld and Stephen Rock . 637

Persistence Filter Based Attitude Stabilization of Micro-Satellites with VariableAmplitude Thrusters (AAS 10-142)

S. Srikant and M. R. Akella 649

Pointing Performance Control of a Spacecraft Camera using PiezoelectricActuators (AAS 10-143)

Sharmila Kayastha, Ozan Tekinalp and Kemal Ozgoren . . . . . . . 661

Spacecraft Attitude Control Via a Combined State-Dependent Riccati Equationand Adaptive Neuro-Fuzzy Approach

Mohammad Abdelrahman, Sung-woo Kim and Sang-Young Park . . . . 675

Standalone Three-Axis Attitude Determination from Earth Images (AAS 10-145)A. Bevilacqua, C. Bianchi, L. Carozza, A. Gherardi, N. Melega, D. Modeniniand P. Tortora . . . . . . . . . 695

Three Axis Attitude Control of a Satellite Using Solar Radiation Pressure(AAS 10-146)

Surjit Varma and Krishna Dev Kumar . . . . . . . . . . . . 715

Unification and Robustification of Iterative Learning Control Laws (AAS, 10-147)Jiangcheng Bao and Richard W. Longman . . . . 727

SESSION 7: SPACE SURVEILLANCE 747Goodness-of-Fit Tests for Sequential Orbit Determination (AAS 10-149)

John H. Seago and David A."Vallado . . . . . . . . . . . . 749

Co variance-Based Network Tasking of Optical Sensors (AAS 10-150)Keric Hill, Paul Sydney, Kris Hamada, Randy Cortez, Kim Luu, Moriba Jah,Paul W. Schumacher, Jr., Michael Coulman, Jeff Houchard andDaleNaho'olewa. 769

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PageNonlinear Sequential Methods for Impact Probability Estimation (AAS 10-151)

Richard Linares, Puneet Singla and John L. Crassidis. . . . . . . . 787

An Adaptive Scheme on Optimal Number of Observations and Time Intervals foran Initial Orbit Determination Problem (AAS 10-152)

Reza Raymond Karimi and Daniele Mortari . . 807

The Use of Angle And Angle Rate Data for Deep-Space Orbit Determination andTrack Association (AAS 10-153)

Kyle J. DeMars, Moriba K. Jah and Paul W. Schumacher, Jr. 815

Investigation of Ballistic Coefficient Generation from Two Line Element Sets(AAS 10-154)

Stephen R. Mance, Chin S. Lin, Frank A. Marcos, Samuel B. Cable andCraig A. McLaughlin 829

Post-Maneuver Orbit Accuracy Recovery Analysis (AAS 10-155)Thomas M. Johnson 845

Part II

SESSION 8: SATELLITE RELATIVE MOTION I 861Formation Flight of Earth Satellites on KAM Tori (AAS 10-157)

Christopher T. Craft and William E. Wiesel 863

Formation Control at the Earth-Moon L4 Libration Point (AAS 10-158)Frank Wong and Krishna D. Kumar 879

Relative Orbital Evolution of a Cluster of Femto-Satellites in Low Earth Orbit(AAS 10-159)

P. P. Sundaramoorthy, E. Gill and C. J. M. Verhoeven . 899

Satellite Formation Flying Using Differential Aerodynamic Drag (AAS 10-160)- Surjit Varma and Krishna Dev Kumar 919

Second-Order Analytical Solution to Fuel-Optimal Control Problems in SatelliteFormation Flying (AAS 10-161)

Sangjin Lee and Sang-Young Park . . . . . . . . . . . , . 933

A Guidance and Control Algorithm for Optimized Close-Proximity SpacecraftManeuvers using Mixed-Integer Linear Programming (AAS 10-162)

Nick S. Martinson and Gloria J. Wiens 949

Two-Craft Coulomb Formation Relative Equilibria about Circular Orbits andLibration Points (AAS 10-163) , .

Ravi Inampudi and Hanspeter Schaub . . . . . . . . . . . . 961

SESSION 9: INTERPLANETARY TRAJECTORY DESIGN 981A Fast Tour Design Method using Non-Tangent V-Infinity Leveraging Transfers(AAS 10-164)

Stefano Campagnola, Nathan J. Strange and Ryan P. Russell 983

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PageInvestigation of Target Selection Schemes for a Space Telescope-Occulter Systemin the Sun-Earth L2 Regime (AAS 10-165)

Bradley W. Cheetham, Kathryn E. Davis, George H. Born and Webster Cash 1005

A Simple Numerical Procedure for Computing Multi-Impulse Lunar EscapeSequences with Minimal Time-of-Flight (AAS 10-166)

Shane B. Robinson and David K. Geller . . . 1015

N-Impulses Interplanetary Orbit Transfer using Genetic Algorithm withApplication to Mars Mission (AAS 10-167)

Ahmed Gad, Neelima Addanki and Ossama Abdelkhalik . . . . . . 1025

Solar Electric Propulsion with Satellite Flyby for Jovian Capture (AAS 10-169)Damon Landau, Nathan Strange and Try Lam . 1043

Titan Trajectory Design Using Invariant Manifolds and Resonant Gravity Assists(AAS 10-170)

Natasha Bosanac Jerrold E. Marsden, Ashley Moore and Stefano Campagnola 1057

Designing Robust Low-Thrust Interplanetary Trajectories Subject to OneTemporary Engine Failure (AAS 10-171)

Joris T. Olympio 1071

SESSION 10: SATELLITE CONSTELLATIONS 1091The Lattice Theory of Flower Constellations (AAS 10-172)

Martin Avendano, Daniele Mortari and Jeremy J. Davis 1093

Elliptical Flower Constellations for Global CoverageJeremy J. Davis, Martin Avendano and Daniele Mortari 1105

A Study of Low-Thrust Trajectories for Low Orbit Multiple Cubesat Missions(AAS 10-174)

Alexander Ghosh and Victoria Coverstone . . 1117

Guidance for Elliptic Orbit Rendezvous (AAS 10-175)Thomas V. Peters and Luigi Strippoli . . . 1135

Rigid Body Attitude Synchronization with Unknown Communication TimeDelays (AAS 10-176)

Tyler H. Summers, Apurva Chunodkar and Maruthi R. Akella 1155

Formation Keeping of Multiple Spacecraft with Communication Delays(AAS 10-177) / •

Xi Liu and Krishna D. Kumar . 1165

A Novel Nonlinear Rendezvous Guidance Scheme with Control DirectionConstraints (AAS 10-178)

Shinji Mitani and Hiroshi Yamakawa . . '. 1181

A Dynamical Systems Approach to Micro-Spacecraft Autonomy (AAS 10-179)Blair Brown and Colin Mclnnes 1199

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Page

SESSION 11: ORBIT DYNAMICS II 1219The Eleventh Motion Constant of the Two-Body Problem (AAS 10-180)

Andrew J. Sinclair and John E. Hurtado 1221

On the Stability of Approximate Displaced Lunar Orbits (AAS 10-181)Jules Simo and Colin R. Mclnnes 1229

Approximate Time-Dependent Solutions of the Two-Body Problem(AAS 10-182)

Julio Cesar Benavides and David B. Spencer.., 1239

In Plane Correction of an Approximate Planar Periodic Orbit About the LargerPrimary (AAS 10-183)

Mohammed Ghazy and Brett Newman . . . . . . . . . . . 1257

Long-Term Evolution of Trajectories Near the Smaller Primary in the RestrictedProblem (AAS 10-184)

Diane Craig Davis and Kathleen C. Howell 1277

Repeating Orbits in a Three Body System with Zero Mass Parameter(AAS 10-185)

Mohammed Ghazy and Brett Newman 1297

Approximate Time-Dependent Solutions of the N-Body Problem (AAS 10-186)Julio Cesar Benavides and David B. Spencer. 1317

N-Gon Minimum Energy Solutions of the Planar N-Body Problem (AAS 10-187)T. A. Bauer 1331

SESSION 12: PLANETARY MISSIONS 1343Failure Bounding and Sensitivity Analysis Applied to Monte Carlo Entry,Descent, and Landing Simulations (AAS 10-188)

John A. Gaebler and Robert H. Tolson . . . . 1345

Mission Design of Solar Polar Region Observer Equipped with Solar ElectricPropulsion (AAS 10-189)

Yasuhiro Kawakatsu, Hitoshi Kuninaka and Kazutaka Nishiyarria . . . . 1361

Numerical Simulations of the Radio Science Experiment of the MissionBepiColombo to Mercury (AAS 10-190)

Manuela Marabucci, Luciano less and Antonio Genova. . . . . . . 1373

The Mission Assessment Post Processor (MAPP): A New Tool for PerformanceEvaluation of Human Lunar Missions (AAS 10-191)

Jacob Williams, Shaun M. Stewart, Gerald L. Condon, David E. Lee,. Elizabeth C. Davis, Juan S. Senent and Timothy F. Dawn . . . . . . 1385

Mars Atmosphere and Volatile Evolution (MAVEN) Mission Design(AAS 10-192) . • - . • • -

David C. Folta . 1401

XIX

PageNumerical Simulations of the Gravity Science Experiment of the Juno Mission-to Jupiter (AAS 10-193)

Stefano Finocchiaro and Luciano less . . . . 1417

Laplace: An Update of the Science Phases around Callisto and Ganymede(AAS 10-194)

Arnaud Boutonnet, Johannes Schoenmaekers and Paolo De Pascale . . . 1427

SESSION 13: TRAJECTORY SOLUTION TECHNIQUES 1445Shape-Based Approximation Method for Lowthrust Interception and RendezvousTrajectory Design (AAS 10-196)

Bradley J. Wall, Bradley Pols and Brandon Lanktree . . . . . . . 1447

Solving Initial Value Problems by the Picard-Chebyshev Method with NVIDIAGPUs(AAS 10-197)

Xiaoli Bai and John L. Junkins . 1459

A GPU Accelerated Multiple Revolution Lambert Solver for Fast MissionDesign (AAS 10-198) .

Nitin Arora and Ryan P. Russell 1477

Relative Performance of Lambert Solvers 1: Zero-Revolution Methods(AAS 10-199)

G. E. Peterson, E. T. Campbell, A. M. Hawkins, J. Balbas, S. Ivy,E. Merkurjev, T. Hall, P. Rodriguez and E. D. Gustafson 1495

SESSION 14: SPACEFLIGHT SAFETY 1511Survey of Orbit Non-Linearity Effects in the Space Catalog (AAS 10-202)

Sergei Tanygin and Vincent T. Coppola . . . 1513

SESSION 15: ATTITUDE SENSORS DATA PROCESSING 1533Forty-Nine Biased Star Positions from Icesat Flight Data (AAS 10-205)

Noah Smith, Sungkoo Bae and Bob Schutz . . . . . . : . . . 1535

Recursive Star-ID and the K-Vector ND (AAS 10-206)Ben Spratling IV and Daniele Mortari 1553

Star-ND: Multidimensional Star-Identification (AAS 10-207)Ben Spratling IV and Daniele Mortari . . ., . . 1565

SESSION 16: ATTITUDE DYNAMICS AND CONTROL II 1579Explaining and Evaluating the Discrepancy between the Intended and theActual Cutoff Frequency in Repetitive Control (AAS 10-208)

Mehmet Can Isik and Richard W. Longman . . . . . . . . . . 1581

Calibration Technique for Attitude Manoeuvres of Spinning Satellites(AAS 10-209)

JozefC. vanderHa. . 1599

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PageSimplified Singularity Avoidance using Variable Speed Control MomentGyroscope Null Motion (AAS 10-210)

Jay McMahon and Hanspeter Schaub 1611

The Sequential Optimal Attitude Recursion Filter (AAS 10-211)John A. Christian and E. Glenn Lightsey . . . . . 1625

SESSION 17: TRAJECTORY DESIGN AND OPTIMIZATION II 1645A New Approach to Design a Repeat Ground Track Orbit for a LocalReconnaissance Mission (AAS 10-212)

Hae-Dong Kim, Hyochoong Bang and Hak-Jung Kim . . . . . . . 1647

Determination of Fundamental Low-Thrust Control Frequencies for FittingSequences of Orbital States (AAS 10-213)

Jennifer S. Hudson and Daniel J. Scheeres 1665

Equations of Motion of a Launcher Using a Full Quaternion (AAS 10-214)Alexandra Vachon, Andre Desbiens, Eric Gagnon and Rocco Farinaccio . . 1681

Optimal Orbit Design for Regional Coverage using Genetic Algorithm(AAS 10-215)

Ahmed Gad and Ossama Abdelkhalik. . 1697

Porpoise Floating Launch Sounding Rocket (AAS 10-216)Andrew E. Turner 1713

Using Multicomplex Variables for Automatic Computation of High-OrderDerivatives (AAS 10-218)

Gregory Lantoine, Ryan P. Russell and Thierry Dargent . . •-. . . . 1729

Optimal Pathways for Sequences of V-Infinity Leveraging Maneuvers(AAS 10-219) • .

Ryan C. Woolley and Daniel J. Scheeres 1747

Part III

SESSION 18: ORBITAL PERTURBATIONS 1767Fast Computation of Low Lunar Frozen Orbits in a High Degree Selenopotential(AAS 10-220)

Martin Lara . . . . . . . . . . 1769

Analytic Expansions of Luni-Solar Gravity Perturbations Along Rotating Axes forTrajectory Optimization: Part 1: The Dynamic System (AAS 10-221)

Jean A. Kechichian. 1783

Displaced Solar Sail Orbits: Dynamics and Applications (AAS 10-222)Jules Simo and Colin R. Mclnnes. . . . . . . . . . . . . 1803

Effects of Density Variation in the Upper Atmosphere on Satellite Trajectories(AAS 10-223)

Andrew Schaeperkoetter and Craig A. McLaughlin 1817

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PageSolar Radiation Pressure Induced Resonance in Satellite Orbit with a TumblingSpacecraft (AAS 10-224)

C. C. George Chao . . 1831

Efficient Parallelization of Nonlinear Perturbation Algorithms for Orbit Predictionwith Applications to Asteroid Deflection and Fragmentation (AAS 10-225)

Brian D. Kaplinger, Bong Wie and David Dearborn 1845

Thermal Radiation Effects on Deep-Space Trajectories (AAS 10-226)Jozef C. van der Ha and Daniele Stramaccioni . 1861

Lorentz Augmentation of Gravity-Assist Flybys with Electrostatically ChargedSpacecraft (AAS 10-227)

George E. Pollock, Joseph W. Gangestad and James M. Longuski. . . . 1881

SESSION 19: ATTITUDE DYNAMICS AND CONTROL III 1901Hypersphere Stereographic Orientation Parameters (AAS 10-228)

Jeff Mullen and Hanspeter Schaub 1903

Estimation of Solar Radiation Pressure Parameters for Solar Sail DemonstratorIKAROS Considering Attitude Dynamics (AAS 10-231)

Yuya Mimasu, Jozef C. van der Ha, Tomohiro Yamaguchi, Ryu Funase,Yuichi Tsuda, Osamu Mori and Jun'ichiro Kawaguchi . . . . . . . 1915

Fault Tolerant Attitude Control during Formation Flying (AAS 10-232)Junquan Li and K. D. Kumar 1933

An Algorithm for Robustification of Repetitive Control to ParameterUncertainties (AAS 10-233)

Yunde Shi, Richard W. Longman and Minh Q. Phan 1953

Characterizing and Addressing the Instability of the Control Action in IterativeLearning Control (AAS 10-234)

Yao Li and Richard W. Longman 1967

A Multiplicative Residual Approach to Attitude Kalman Filtering with Unit-VectorMeasurements (AAS 10-235)

Renato Zanetti 1987

SESSION 20: ORBIT DETERMINATION 1997Orbit Determination using Prescribed Orbits (AAS 10-236)

Reza Raymond Karimi and Daniele Mortari 1999

Orbit Determination with the Cubed-Sphere Gravity Model (AAS 10-237)Brandon A. Jones, George H. Born and Gregory Beylkin . . . . . . 2 0 1 1

Modifications to the Gooding Algorithm for Angles-Only Initial OrbitDetermination (AAS 10-238)

Troy A. Henderson, Daniele Mortari and Jeremy Davis . 2031

Detection of Nan-Linearity Effects during Orbit Estimation (AAS 10-239)James Woodburn and Sergei Tanygin 2041

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PageEnsemble Kalman Filter Application to Large Constellation Ephemeris Estimation(AAS 10-240)

C. F.Minter 2061

Analysis of Specialized Coordinate Representation for Dynamic Modeling andOrbit Estimation in the Geosynchronous Regime (AAS 10-241)

Jill Tombasco, Penina Axelrad and Moriba Jah 2075

Solar Sail Force Modeling and its Estimation Approach of Solar Power SailSpacecraft IKAROS (AAS 10-242)

Tomohiro Yamaguchi, Yuya Mimasu, Yuichi Tsuda, Hiroshi Takeuchi,Ryu Funase, Osamu Mori and Makoto Yoshikawa 2097

SESSION 21: NEAR EARTH OBJECT MISSIONS 2113Analysis of Manned Missions to Near Earth Asteroids (AAS 10-243)

Jesus Gil-Fernandez, Raul Cadenas and Marietta Graziano 2115

Rapid Characterization of a Small Body via Slow Flybys (AAS 10-244)Yu Takahashi and Daniel Scheeres 2129

Minimum AV Launch Windows for a Fictive Post-2029 Apophis Deflection/Disruption Mission (AAS 10-245)

Sam Wagner and Bong Wie 2149

Mission Design for Jupiter Trojans Rendezvous Mission (AAS 10-246)Triwanto Simanjuntak, Masaki Nakamiya and Yasuhiro Kawakatsu . . . 2169

Surface Impact or Blast Ejecta Behavior in a Small Binary Asteroid System withApplication to In-Situ Observation (AAS 10-248)

Eugene G. Fahnestock, Daniel D. Durda, Kevin R. Housen andDaniel J. Scheeres 2185

Target Asteroid Selection for Human Exploration of Near Earth Objects(AAS 10-249)

Sam Wagner and Bong Wie 2205

SESSION 22:SPACECRAFT GUIDANCE, NAVIGATION AND CONTROL II 2225Covariance Analysis of the Minimum Model Error Estimator (AAS 10-251)

Manoranjan Majji, James D. Turner and John L. Junkins . . . . . . 2227

Admissible N-Impulse Orbit Transfer and Rendezvous Solved using a LearningOptimization Algorithm (AAS 10-252)

Troy A. Henderson, Daniele Mortari and Martin Avendano. . . . . . 2243

Reduced Complexity Gravity Modeling for Rapid Design Environments(AAS 10-253) . .. •.

Kyle J.DeMars, Paige S.Felker and Robert H. Bishop 2255

Analysis of Relative GPS Navigation Techniques (AAS 10-254)Matthew Fritz, Renato Zanetti and Srinivas R. Vadali . . . . . . . 2275

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PageTableSat II for NASA's Magnetospheric Multiscale (MMS) Mission - A Problemin Orbit and Attitude Determination and Control (AAS 10-255)

David Waterhouse, Michael Dunstan, Megan Kramer, Jeff Kite, Ben Jenkinsand May-Win Thein 2295

Autonomous GNC for Descent and Landing on Small, Irregular Bodies(AAS 10-256)

Jesus Gil-Fernandez and Marietta Graziano . . . 2307

Lunar Landing and Ascent Trajectory Guidance Design for the AutonomousLanding and Hazard Avoidance Technology (ALHAT) Program (AAS 10-257)

Thomas Fill 2317

Optimal Guidance for Quasi-Planar Lunar Ascent (AAS 10-258)David G. Hull . . . . . . . . : 2337

SESSION 23: SATELLITE RELATIVE MOTION II 2351Attitude Synchronization of Spacecraft Formation Flying via the SDREController using Reaction Wheels (AAS 10-260)

Junoh Jung, Insu Chang and Sang-Young Park 2353

Constrained A -̂Impulse Periodic Close Encounters (AAS 10r261)Daniele Mortari, Jeremy J. Davis and Ronald D. Denton 2371

Distance Preserved Satellite Clusters (AAS 10-262)Yu Ning, Martin Avendano and Daniele Mortari 2389

Eaglet: A Geosynchronous Orbit Formation Flying Concept (AAS 10-263)Andrew E. Turner 2405

Optimal Impulsive Satellite Transfers using Second-Order Solutions of RelativeMotion (AAS 10-264)

Weijun Huang 2419

Passively Safe Relative Motion Trajectories for On-Orbit Inspection(AAS 10-265)

Liam M. Healy and C. Glen Henshaw 2439

A Variational Method for the Propagation of Spacecraft Relative Motion(AAS 10-266)

Giulio Bau, Claudio Bombardelli, Jesus Pelaez, Enrico Lorenzini andAlessandro Francesconi 2459

SESSION 24: SPACE STRUCTURES DYNAMICS AND CONTROL 2475Attitude Control of Multiple Rigid Body Spacecraft with Flexible Hinge Joints(AAS 10-267) .

Burak Akbulut, Kemal Ozgoren and Ozan Tekinalp 2477

Impact of Nodal Attitude Motion on Two-Element Tethered Coulomb Structures(AAS 10-268) ;

Carl R. Seubert and Hanspeter Schaub . . . . . . . . . . . 2495

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PagePerformance Analysis of Bare Electrodynamic Tethers as MicroSat DeorbitingSystems (AAS 10-269)

Claudio Bombardelli, Jose Manuel Nunez-Ayllon and Jesus Pelaez . . . 2515

Space Debris Removal with Bare Electrodynamic Tethers (AAS 10-270)Claudio Bombardelli, Javier Herrera-Montojo, Ander Iturri-Torrea andJesus Pelaez 2523

Validation of Tethered Satellite System Computational Models (AAS 10-271)Joshua R. Ellis and Christopher D. Hall 2535

Relative Equilibria of a Moon - Tethered Spacecraft (AAS 10-272)Alexander A. Burov, Oleg I. Kononov and Anna D. Guerman 2553

Rigid Body Attitude Stabilization with Unknown Time-Varying Delay inFeedback (AAS 10-274)

Apurva Chunodkar and Maruthi R. Akella 2563

DIRK BROUWER AWARD LECTURE 2579Featured Speaker Bruce A. Conway (Abstract Only) 2581

APPENDICES 2583

Publications of the American Astronautical Society 2584

Advances in the Astronautical Sciences . 2585

Science and Technology Series 2595

AAS History Series 2603

INDICES 2605Numerical Index 2607

Author Index 2617

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