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CLEO/P Assessment of a Jovian Moon Flyby Mission As Part of NASA Clipper Mission

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CLEO/P Assessment of a Jovian Moon Flyby Mission As Part of NASA Clipper Mission CDF STUDY REPORT CLEO/P Assessment of a Jovian Moon Flyby Mission as Part of NASA Clipper Mission CDF-154(D)Public April 2015 CLEO/P CDF Study Report: CDF-154(D) Public April 2015 page 1 of 198 CDF Study Report CLEO/P Assessment of a Jovian Moon Flyby Mission as Part of NASA Clipper Mission ESA UNCLASSIFIED – Releasable to the Public CLEO/P CDF Study Report: CDF-154(D) Public April 2015 page 2 of 198 FRONT COVER Study logo showing Orbiter and Jupiter with Moon ESA UNCLASSIFIED – Releasable to the Public CLEO/P CDF Study Report: CDF-154(D) Public April 2015 page 3 of 198 STUDY TEAM This study was performed in the ESTEC Concurrent Design Facility (CDF) by the following interdisciplinary team: TEAM LEADER R. Biesbroek, TEC-SYE AOGNC PAYLOAD COMMUNICATIONS POWER CONFIGURATION PROGRAMMATICS/ AIV COST PROPULSION RADIATION RISK DATA HANDLING SIMULATION GS&OPS STRUCTURES MISSION ANALYSIS SYSTEMS MECHANISMS THERMAL ESA UNCLASSIFIED – Releasable to the Public CLEO/P CDF Study Report: CDF-154(D) Public April 2015 page 4 of 198 This study is based on the ESA CDF Integrated Design Model (IDM), which is copyright 2004 – 2014 by ESA. All rights reserved. Further information and/or additional copies of the report can be requested from: T. Voirin ESA/ESTEC/SRE-FMP Postbus 299 2200 AG Noordwijk The Netherlands Tel: +31-(0)71-5653419 Fax: +31-(0)71-5654295 [email protected] For further information on the Concurrent Design Facility please contact: M. Bandecchi ESA/ESTEC/TEC-SYE Postbus 299 2200 AG Noordwijk The Netherlands Tel: +31-(0)71-5653701 Fax: +31-(0)71-5656024 [email protected] ESA UNCLASSIFIED – Releasable to the Public CLEO/P CDF Study Report: CDF-154(D) Public April 2015 page 5 of 198 TABLE OF CONTENTS 1 INTRODUCTION .................................................................................. 11 1.1 Background ............................................................................................................. 11 1.2 Scope ....................................................................................................................... 11 2 EXECUTIVE SUMMARY ...................................................................... 13 2.1 Study Flow ...............................................................................................................13 2.2 Requirements and Design Drivers ..........................................................................13 2.3 Mission ....................................................................................................................13 3 MISSION OBJECTIVES ........................................................................ 17 3.1 Background ............................................................................................................. 17 3.2 Study Objectives ...................................................................................................... 17 3.3 Science Objectives ................................................................................................... 17 3.3.1 Io Flyby Mission (CLEO/I) ............................................................................... 17 3.3.2 Europa Flyby Mission (CLEO/E) .................................................................... 18 4 PAYLOAD ............................................................................................ 19 4.1 Requirements and Design Drivers ......................................................................... 19 4.2 Assumptions ........................................................................................................... 20 4.3 List of Instruments ................................................................................................. 20 4.3.1 Medium Angle Camera .................................................................................... 21 4.3.2 Thermal Imager ............................................................................................... 22 4.3.3 Ion and Neutral Mass Spectrometer ............................................................... 23 4.3.4 Magnetometer .................................................................................................. 23 4.4 Radiation Shielding ................................................................................................ 24 4.4.1 Delocalised Backend Electronics ..................................................................... 24 4.4.2 Front End Shielding ......................................................................................... 25 4.5 Payload Operations ................................................................................................ 25 4.6 Optional Instruments for a Europa Fly-By Mission .............................................. 27 4.6.1 UV Spectrometer.............................................................................................. 27 4.6.2 Neutral and Ion Mass Spectrometer ............................................................... 28 4.6.3 Dust Experiment .............................................................................................. 28 5 MISSION ANALYSIS ........................................................................... 29 5.1 Requirements and Design Drivers ......................................................................... 29 5.1.1 Requirements ................................................................................................... 29 5.1.2 Design Drivers ................................................................................................. 29 5.2 Assumptions and Trade-Offs ................................................................................. 30 5.2.1 CLIPPER .......................................................................................................... 30 5.2.2 Io Science ......................................................................................................... 32 5.2.3 Overview of the Scenarios................................................................................ 33 5.3 Baseline Design ...................................................................................................... 34 5.3.1 From Separation to Io ...................................................................................... 34 ESA UNCLASSIFIED – Releasable to the Public CLEO/P CDF Study Report: CDF-154(D) Public April 2015 page 6 of 198 5.3.2 Fly-by I1 ............................................................................................................ 34 5.3.3 Fly-by I2 ........................................................................................................... 36 5.3.4 Fly-bys Common Features ............................................................................... 38 5.3.5 Communications .............................................................................................. 41 5.3.6 Navigation and Operational Concept .............................................................. 44 5.3.7 Power ................................................................................................................ 45 5.4 Options ................................................................................................................... 45 5.4.1 CLEO-I S1 ......................................................................................................... 45 5.4.2 CLEO-I S3 ........................................................................................................ 46 5.4.3 CLEO-I S4 ........................................................................................................ 49 5.4.4 CLEO-E ............................................................................................................ 50 5.5 V Budget ............................................................................................................... 51 6 SYSTEMS ............................................................................................. 53 6.1 Mission and System Requirements and Design Drivers ....................................... 53 6.1.1 General ............................................................................................................. 53 6.1.2 CLEO/I ............................................................................................................. 55 6.1.3 CLEO/E ............................................................................................................ 55 6.1.4 Design Drivers .................................................................................................. 56 6.2 System Assumptions and Trade-Offs .................................................................... 58 6.2.1 Assumptions ..................................................................................................... 58 6.2.2 Trade-Offs ........................................................................................................ 59 6.3 Mission System Architecture ................................................................................. 62 6.3.1 Concept of Operations ..................................................................................... 62 6.3.2 Mission Timeline ............................................................................................. 62 6.3.3 Mission Timeline Assumptions ....................................................................... 63 6.3.4 Data Volume Download Capability (SCI+HK TM) ......................................... 64 6.4 System Baseline Design.........................................................................................
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