dr. frank j. redd general chairperson r. gilbert moore … · r. gilbert moore program chairperson...

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EIGHTH ANNUAL AIAA/UTAH STATE UNIVERSITY CONFERENCE on SMALL SATELLITES Dr. Frank J. Redd General Chairperson R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator UTAH STATE UNIVERSITY LOGAN, UTAH 84322 August 29 - September 1, 1994

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Page 1: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

EIGHTH ANNUAL

AIAA/UTAH STATE UNIVERSITY

CONFERENCEon

SMALL SATELLITES

Dr. Frank J. ReddGeneral Chairperson

R. Gilbert MooreProgram Chairperson

Janell H. LarsonConference Services

Gwenaley Redd-HardyConference Coordinator

UTAH STATE UNIVERSITYLOGAN, UTAH 84322

August 29 - September 1, 1994

Page 2: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

TECHNICAL SESSION IHARDWARE IN SPACE

Tuesday, August 30, 10:45 a.m. - 12:15 p.m.

Chairperson: Mr. Jim French, JRF Engineering Services

MARS PATHFINDER FLIGHT SYSTEM DESIGN AND IMPLEMENTATION * *B. K. Muirhead, R. Manning, and C. Cleven - Jet Propulsion Laboratory

THE TWO UK 'SPACE TECHNOLOGY RESEARCH VEHICLES': FIRSTIN-ORBIT RESULTS * *

K. A. Ryden, N. Wells, A. Christmas, and N. Wallace - DefenceResearch Agency

MINIATURE SENSOR TECHNOLOGY INTEGRATION (MSTI) FLIGHT TESTRESULTS

D. L. Erickson - SPARTA, Inc.; J. R. Feig, E. C. Grigsby - USAFPhillips Laboratory; and J. A. Carlson - Loral EOS

ONE YEAR IN SPACE: RESULTS FROM PoSAT-1 * *M. Meerman, M. Sweeting - Centre for Satellite Engineering Research,University of Surrey, U.K.; and M. Leitmann - LAER/INETI, Portugal

BREM-SAT - FIRST FLIGHT RESULTSH. Konigsmann, H. W. Oelze, and H. J. Rath - University of Bremen,Germany

RECENT LIGHT SATELLITE MISSIONS AND ACCOMPLISHMENTS IN THEDoD SPACE TEST PROGRAM * *

D. England, T. Hagler - ANSER; and E. Witte - AeroSpace Corporation

* * ABSTRACT PRINTED - PAPER NOT RECEIVED IN TIME FOR PUBLICATION

Page 3: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

TECHNICAL SESSION IISMALLER, CHEAPER, FASTER

Tuesday, August 30, 1:30 p.m. - 3:00 p.m.

person: Melanie Horn Dynes, Aero Astro

MANAGING A "BETTER, FASTER, CHEAPER" LIGHTSAT PROGRAM * *D. V. Shuckstes - TRW Space & Electronics Group

STANDARDIZATION OF THE LAUNCH VEHICLE INTERFACE FOR SMALLPAYLOADS * *

D. O'Connell, D. Miller, P. Fleming, and F. Little - CTA LaunchServices

A NEW APPROACH TO FLIGHT EQUIPMENT: CLEMENTINE AND MSTIWORK AT JPL

K. A. Hicks and J. W. Wall - Jet Propulsion Laboratory

CLEMENTINE: NEW DIRECTIONS AND PERSPECTIVES FOR ONE-OF-A-KINDSPACECRAFT MISSIONS * *

P. A. Regeon - Naval Research Laboratory; R. J. Chapman - Praxis,Inc.; and R. Baugh - Barrios Technology, Inc.

A COST MODEL FOR A UNIVERSITY SATELLITE PROGRAME. I. Reeves - U.S. Air Force Academy

DEPENDABILITY DESIGN FOR THE PLUTO FLYBY MISSIONS. B. Johnson, L. P. Cooper, and D. D. Uhrich - University ofCincinnati Space Engineering Research Center

ABSTRACT PRINTED - PAPER NOT RECEIVED IN TIME FOR PUBLICATION

Page 4: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

TECHNICAL SESSION IVNEW MISSIONS I

Wednesday, August 3 1 , 9:15 a.m. - 10:45 p.m.

Chairperson: Mr. Rex Ridenoure, Jet Propulsion Laboratory

NEAR EARTH ASTEROID RETURNED SAMPLE MISSION (NEARS)A. F. Cheng and S. R. Vernon - The Johns Hopkins University AppliedPhysics Laboratory

LESSONS LEARNED FROM CLEMENTINE ON THE WAY TO PLUTOJ. Carraway, P. Henry, M. Herman, G. Kissel, H. Price, R. Staehle, andM. Underwood - Jet Propulsion Laboratory

SCIENCECRAFT * *P. M. Beauchamp, R. H. Brown, R. W. Capps, D. H. Rodgers, J .Sercel, G. Vane - Jet Propulsion Laboratory; L. A. Soderblom - UnitedStates Geological Survey; and R. V. Yelle - Lunar and PlanetaryLaboratory, University of Arizona

THE SATELLITE QUICK RESEARCH TESTBED (SQUIRT) PROGRAMC. A. Kitts and R. J. Twiggs - Satellite Systems DevelopmentLaboratory, Stanford University

THE ROCSAT-1 SAPCECRAFT * *C. F. Lillie, R. E. Sharpies - TRW; and K. Yong - National SpaceProgram Office, Republic of China, Taiwan

SKIPPER: A SMALL SATELLITE FOR UPPER ATMOSPHERIC STUDIESL. C. Howlett - Space Dynamics Laboratory/Utah State University;G. Malyshev - Moscow Aviation Institute; and D. Levin - Institute forDefense Analyses

ABSTRACT PRINTED - PAPER NOT RECEIVED IN TIME FOR PUBLICATION

Page 5: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

TECHNICAL SESSION VUNIVERSITY STUDENT SESSION

Wednesday, August 3 1 , 11:00 a.m. - 12:45 p.m.

Chairperson: Jayne Schnaars, Rockwell International CorporationRobert H. Muerer, Orbital Sciences Corporation

PRELIMINARY DESIGN OF ASUSat 1J. Rademacher - Arizona State University

A MICROPARTICLE RECOGNITION EXPERIMENT FOR NEAR-EARTH SPACEON BOARD THE SATELLITE ASUSat 1

C. Hewett - Arizona State University

DESIGN OF THE ISAT-1 SATELLITE THERMAL CONTROL SYSTEMJ. Clay - University of Iowa

• MINIATURIZATION METHODS FOR DEEP SPACE MICROSPACECRAFTL. Muller - Massachusetts Institute of Technology

THE DESIGN AND CONSTRUCTION OF THE STANFORD AUDIO PHONICPHOTOGRAPHIC INFRARED EXPERIMENT (SAPPHIRE) SATELLITE

C. Kitts and B. Kim - Stanford University

ISAT-1 COMMUNICATION SYSTEMM. Lu and K. Chen - Iowa State University

EXPERIMENTAL TESTS OF VARIOUS "BANG-BANG" CONTROLLERS ONTHE SMALL SATELLITE ATTITUDE CONTROL SIMULATOR

S. Kuntanapreeda, J. Jones, and J. Crookston - Utah State University

SolSTUS - SOLAR SOURCE THERMAL UPPER STAGE *D. Jones - Utah State University

* ALTERNATE - PRESENTATION IN THE POSTER SESSION

Page 6: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

TECHNICAL SESSION IIIOPERATIONS AND SOFTWARE

Tuesday, August 30, 3:30 p.m. - 5:00 p.m.

Chairperson: Shaun Anderson, Orbital Sciences Corporation

DEMONSTRATION OF ON-BOARD MANEUVER PLANNING USINGAUTONOMOUS S/W ARCHITECTURES * *

A. Ahmed, D. Eldred, and A. S. Aljabri - Jet Propulsion Laboratory

THE ZIPSIM SERIES OF HIGH PERFORMANCE, HIGH FIDELITY SPACECRAFTSIMULATORS

W. K. Reinholtz and W. J. Robison, III - Jet Propulsion Laboratory

MSTI-3 SPACECRAFT ATTITUDE CONTROL SOFTWARE DEVELOPMENTUSING AUTOMATIC CODE GENERATION * *

F. Tubb, R. McEwen, J. Farazian, and A. Waddell - Integrated SystemsInc.

MSTI-3 SCIENCE OBJECTIVESW. Jeffrey - Institute for Defense Analyses; J. Fraser - PhotonResearch Associates; and G. Schneider - Ballistic Missile DefenseOrganization

THE IN-ORBIT OPERATION OF FOUR MICROSAT SPACECRAFT-FOURYEARS LATER

R. J. Diersing - Texas A&M University-Kingsville

• MSTI COMMANDER-IN-THE-FIELD "BATTLEFIELD" PAYLOAD COMMANDDEMONSTRATION * *

T. C. Probert - ANSER; and D. R. Lockwood - Storm Integration, Inc.

ABSTRACT PRINTED - PAPER NOT RECEIVED IN TIME FOR PUBLICATION

Page 7: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

TECHNICAL SESSION VISUBSYSTEMS I

Wednesday, August 3 1 , 2:00 p.m. - 3:30 p.m.

Chairperson: John Patton, Idaho National Engineering Laboratory

THE CLEMENTINE ATTITUDE DETERMINATION AND CONTROL SYSTEMP. DeLaHunt, S. Gates, M. Levenson - U.S. Naval ResearchLaboratory; and G. Creamer - Swales & Associates

DESIGN AND FABRICATION OF A LOW-COST COMPOSITE SPACEFRAMESPACECRAFT STRUCTURE

J. Scherrer, G. Dirks - Southwest Research Institute; A. Campbell, andR. Sanderson - Texas Composite, Inc.

• RELIABLE APPLICATION OF PLASTIC ENCAPSULATED MICROCIRCUITSFOR SMALL SATELLITES

W. A. Ash III and E. J . Hoffman - The Johns Hopkins UniversityApplied Physics Laboratory

A LOW COST TAILORABLE POWER SOURCE FOR MICROSATELLITES * *P. A. Dillard - Boeing Defense & Space Group

THE CLEMENTINE NICKEL HYDROGEN COMMON PRESSURE VESSELBATTERY

J. C. Garner - U.S. Naval Research Laboratory

TOWARDS REDUCED NICKEL-CADMIUM BATTERY COST FOR MICROSATELLITES

V. Cavenel and D. Duquesne - SAFT

ABSTRACT PRINTED - PAPER NOT RECEIVED IN TIME FOR PUBLICATION

Page 8: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

TECHNICAL SESSION VIIINEW MISSIONS II

Thursday, September 1, 8:30 a.m. - 10:00 a.m.

Chairperson: Helene Schember, Jet Propulsion Laboratory

DEVELOPMENT OF THE 0RSTED SATELLITE PROJECTW. R. Baron, M. Houghton-Larsen, and P. L. Thomsen - ComputerResources International, Denmark

A STUDENT SPACECRAFT FOR IN-ORBIT TEST OF NASA TRACKINGPROGRAMS * *

J. G. Smith, S. E. Johnson, R. C. Clauss, and R. W. Ridenoure - JetPropulsion Laboratory

CONCEPTUAL DESIGN OF A HIGH-RESOLUTION, LOW COSTTOPOGRAPHIC MAPPING MISSION * *

S. Jolly, W. McClintock, D. Lawrence, R. Su, A.F. H. Goetz, D.Mackison - University of Colorado, Boulder; and D. Baker - DABEngineering, Inc.

STATUS OF THE THIRD MINIATURE SENSOR TECHNOLOGY INTEGRATIONSATELLITE MISSION * *

D. Barnhart, R. Hurtz - Phillips Laboratory; J. McClelland - SpectrumAstro; M. Cellarius - Sparta; and A. Meyers - SAIC

TOMS-EP SPACECRAFTA. Azarbarzin - NASA/GSFC; B. Dobrotin and A. Fleming - TRW

MSTI-3 DUAL-USE APPLICATIONS * *J. Hood - ANSER; and W. Jeffrey - Institute for Defense Analyses

* * ABSTRACT PRINTED - PAPER NOT RECEIVED IN TIME FOR PUBLICATION

Page 9: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

TECHNICAL SESSION IXINSTRUMENTATION AND SENSORS

Thursday, September 1, 10:30 a.m. - 12:00 a.m.

Chairperson: Dr. Allan Steed, Space Dynamics Laboratory

• DESIGN AND DEVELOPMENT OF THE CLEMENTINE SPACECRAFT SENSORBENCH * *

J. Kim, S. Koss, R. Mader, and D. Spencer - Naval ResearchLaboratory

SMALL EARTH IMAGING SPECTROMETER * *G. Vane, J. J. Simmonds, D. H. Rodgers, M. Chrisp, G. Chen, G.Fraschetti, C. Bruce, R. O. Green, D. Johnson, C. Mahoney, J. Neslte,W. Petrick - Jet Propulsion Laboratory; A. F. H. Goetz - University ofColorado, Boulder; and C. 0. Davis - U.S. Naval Research Laboratory

PLUTO INTEGRATED CAMERA-SPECTROMETER (PICS): A LOW MASS,LOW POWER INSTRUMENT FOR PLANETARY EXPLORATION * *

P. M. Beauchamp, R. H. Brown, D. H. Rodgers, M. P. Chrisp, G. Chen,G. A. Fraschetti T. N. Krabach, S. W. Petrick - Jet PropulsionLaboratory; L. A. Soderblom - USGS; R. V. Yelle - University ofArizona; R. T. Benoit, M. E. Curcio, R. R. Glasheen, T. W. Tucker, andD. Wang - SSG, Inc.

MSTI-3 BACKGROUND DATA-COLLECTION EXPERIMENTW. Jeffrey, P. Albright - Institute for Defense Analyses; A. Ratkowski- Phillips Laboratory, PL/GPO; and J. Hood - Analytic Service, Inc.

SPACECRAFT ENVIRONMENT AND SYSTEMS MONITORINGINSTRUMENTATION FOR SMALL SATELLITES * *

P. B. Joshi, et al. - Physical Sciences, Inc.; and D. Brinza - JetPropulsion Laboratory

CHEMICAL AND ELECTRIC PROPULSION OPTIONS FOR SMALL SATELLITESR. M. Myers, S. R. Oleson, F. M. Curran, and S. J . Schneider - NASALewis Research Center

* * ABSTRACT PRINTED - PAPER NOT RECEIVED IN TIME FOR PUBLICATION

Page 10: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

TECHNICAL SESSION VIITESTING, VERIFICATION, & VALIDATION

Wednesday, August 3 1 , 4:00 p.m. - 5:30 p.m.

Chairperson: Dr. Jim Romero, University of New Mexico

SPIN BALANCE PROCESSING OF THE CLEMENTINE SPACECRAFTP. V. Dizon - Barrios Technology, Inc.

MSTI-III CALIBRATION AND CHARACTERIZATIONR. W. Gobel - ANSER Corporation; and A. Ratkowski - PhillipsLaboratory/GPO

AN INNOVATIVE APPROACH TO DETERMINE THE ALIGNMENT OF THESTAR CAMERA SYSTEM FOR THE CLEMENTINE SPACECRAFT

M. R. Corson, J. H. Resnick, C. J. Rollins - Research SupportInstruments; P. G. DeLaHunt, P. R. Lynn, Jr. - U.S. Naval ResearchLaboratory; and M. J. Pilecki - Allied Signal Corporation

THERMAL DESIGN OF THE FAST-ON-ORBIT RECORDING OF TRANSIENTEVENTS (FORTE) SATELLITE * *

R. L. Akau, V. L. Behr - Sandia National Laboratories; and R. Whitaker- Los Alamos National Laboratory

• VIBRO-ACOUSTIC TESTING OF THE CLEMENTINE SPACECRAFT * *J. M. Haughton - Kinetic Research Corporation; J. Layher, R. Haynes,and J. Hauser - Naval Research Academy

• ON ORBIT JITTER SIMULATION TESTING OF THE CLEMENTINESPACECRAFT * *

J. M. Haughton - Kinetic Research Corporation; and D. Spencer -Naval Research Laboratory

* * ABSTRACT PRINTED - PAPER NOT RECEIVED IN TIME FOR PUBLICATION

Page 11: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

TECHNICAL SESSION XCOMMUNICATIONS

Thursday, September 1, 1:30 p.m. - 2:45 p.m.

Chairperson: Dr. Kermit W. Reister, Weber State University

CCSDS SPACECRAFT UPLINK PROTOCOL IN A SPACE-QUALIFIED ASICS. H. Wood, G. S. Bolotin, and J. A. Donaldson - Jet PropulsionLaboratory

• LOSSLESS COMPRESSION AND RATE CONTROL FOR THE GALILEO NIMSINSTRUMENT * *

R. F. Rice and R. Mehlman - Jet Propulsion Laboratory

GLOBAL RATE ALLOCATION AND CONTROLR. F. Rice - Jet Propulsion Laboratory

SMALL DEEP SPACE MISSION TELECOMMUNICATIONSG. K. Noreen, A. L. Riley, and V. M. Pollmeier - Jet PropulsionLaboratory

THE FORTE' RECEIVER AND SUB-BAND TIRGGERING UNITD. C. Enemark and M. E. Shipley - Los Alamos National Laboratory

* * ABSTRACT PRINTED - PAPER NOT RECEIVED IN TIME FOR PUBLICATION

Page 12: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

TECHNICAL SESSION XISUBSYSTEMS II

Thursday, September 1, 3:00 p.m. - 4:30 p.m.

Chairperson: Sven Grahn, Swedish Space Corporation

• THE NEXT-GENERATION SC-7 RISC SPACEFLIGHT COMPUTERD. J. Shirley and M. K. McLelland - Southwest Research Institute

IN ORBIT ATTITUDE DETERMINATION, CONTROL AND STABILIZATIONPERFORMANCE OF THE STRV 1A AND 1B MICROSATELLITES FROM THEUK DEFENCE RESEARCH AGENCY * *

M.E. Huddleston, N. Wells, K. A. Ryden and B. Cocking - DefenceResearch Agency

THE MARS PATHFINDER ATTITUDE AND INFORMATION MANAGEMENTSYSTEM * *

D. H. Lehman and D. Woerner - Jet Propulsion Laboratory

RADIATION HARDENED MICROPROCESSOR FOR SMALL SATELLITES,PAYLOADS AND INSTRUMENTS * *

R. Shah - Harris Corporation

DEVELOPMENT OF AN ALL-COMPOSITE SPACECRAFT BUS FOR SMALLSATELLITE PROGRAMS

T. C. Thompson, C. Grastataro, B. Smith - Los Alamos NationalLaboratory; G. C. Krumweide and G. A. Tremblay - Composite Optics,Inc.

• ADVANCED TECHNOLOGY OSCILLATOR FOR THE PLUTO FLYBY MISSIONJ. R. Norton - The Johns Hopkins University Applied PhysicsLaboratory

• FASat-Alfa: STATUS REPORT OF THE FIRST CHILEAN SATELLITE * *F. F. Mujica - Chilean Air Force

* * ABSTRACT PRINTED - PAPER NOT RECEIVED IN TIME FOR PUBLICATION

Page 13: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

ABSTRACTS ACCEPTED FOR POSTER SESSION

ALIGNMENT, CALIBRATION, AND INTEGRATION OF THE CLEMENTINEIMAGING CAMERAS

C. Rollins, M. Corson, J. Resnick, J. Ivory - Research SupportInstruments; I. Lewis - Lawrence Livermore National Laboratory; andW. Collins - U.S. Naval Research Laboratory

COMMERCIAL REMOTE-SENSING PAYLOADS FOR SMALL SATELLITESR. Green, M. Herring, and J. Simmonds - Jet Propulsion Laboratory

THE TELEDESIC SPACE SEGMENT ARCHITECTURE, TECHNOLOGIES ANDDESIGN FEATURES

J. R. Stuart - Teledesic Corporation

MECHANISNS SUBSYSTEM FOR THE CLEMENTINE SPACECRAFTB. Purdy and M. Hurley - Naval Research Laboratory

ORBITAL ANALYSIS OF A SUN SYNCHRONOUS SMALL SATELLITE *E. I. Reeves and D. D. Garber - U.S. Air Force Academy

THE ORBITING OZONE AND AEROSOL MONITOR (OOAM) * *R. Bevilacqua, J. Hornstein, W. Glaccum - Naval Research Laboratory;M. Tollin, S. Thompson - TRW Space & Electronics Group; and MikeGangl, et al. - Research Support Instruments, Inc.

THE FAISAT STORE AND FORWARD SATELLITE AND ASSOCIATEDSYSTEMS

N. Modanlo and R. Megill - Final Analysis Incorporated

BEYOND SEDSAT: DESIGNING A MICROSATELLITE FOR ANINTERPLANETARY SCIENCE MISSION

D. R. Wingo and N. Myers - University of Alabama Huntsville

QUICKSAT: A LOW COST, QUICK TURN-AROUND SPACECRAFT BUSTAILORED TO SPECIFIC INSTRUMENT AND MISSION REQUIREMENTS

W. Lockhart, J. Scherrer, and G. Dirks - Southwest Research Institute

CLOSED-LOOP ATTITUDE CONTROL FOR A SMALL SATELLITEA. Schneider and M. Tseng - University of California at San Diego

CLEMENTINE: A FAST TRACT APPROACH TO SPACECRAFT MECHANICALASSEMBLY. INTEGRATION & TEST. AND PROCESSING

W. C. Raynor and P. R. Lynn - Naval Research Laboratory

Page 14: Dr. Frank J. Redd General Chairperson R. Gilbert Moore … · R. Gilbert Moore Program Chairperson Janell H. Larson Conference Services Gwenaley Redd-Hardy Conference Coordinator

• OPTIMIZATION OF THE TWO-IMPULSE RENDEZVOUS MANEUVER OF TWOSPACECRAFT IN CIRCULAR ORBIT

G. Raikunov and V. Loukiachtchenko

• AN ANALYSIS OF THE OPTIMAL1TY OF THE TWO-IMPULSE RENDEZVOUSMANEUVERS OF TWO SPACECRAFT IN CIRCULAR ORBIT

G. Raikunov and V. Loukiachtchenko

• A HIGH CAPABILITY, LOW COST UNIVERSITY SATELLITE FORASTROPHYSICAL RESEARCH *

K. Levenson - University of New Hampshire; and K. Reister - WeberState University

• THE ATTITUDE CONTROL HARDWARE AND ALGORITHMS FOR FINEPOINTING OF SUNSAT DURING IMAGING

H. Steyn - University of Stellenbosch, South Africa

• PRECISION ANALOG SUN SENSOR (PASS): A High Accuracy, Light Weight,Low Cost Sun Sensor for the SmallSat Community

C. Zaffanella - EDO Corporation, Barnes Engineering Division

• STATIONARY PLASMA THRUSTER STATUS AND THE IMPACT OF SPTAPPLICATION ON SMALL SATELLITE MISSIONS

C. W. Clauss - Atlantic Research Corporation

• SUMMARY OF CURRENT SOLAR CELL TECHNOLOGIES FOR SPACE ARRAYDESIGN

B. Reed - Satellite Power Corporation

• THE LOW-COST HYBRID PROPULSION SYSTEM RESEARCH PROGRAMMEAT THE UNIVERSITY OF SURREY

J. J. Sellers, M. Meerman, M. Sweeting - Centre for SatelliteEngineering Research, University of Surrey, U.K.

• THE CONESTOGA 1620 FIRST FLIGHTB. Saavedra - EER Systems Corporation

* PAPER PRINTED

* * ABSTRACT PRINTED - PAPER NOT RECEIVED IN TIME FOR PUBLICATION