EagleSat-1 Project: Mission Synopsis

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Presentation transcript:

EagleSat-1 Project: Mission Synopsis Deborah Jackson Embry-Riddle Aeronautical University Aerospace Engineering, Sophomore AZ/NASA Space Grant Symposium April 14, 2018

Presentation Overview Mission Overview Satellite Structure Satellite Testing Integration and Launch Satellite Communications Failure Analysis Next Steps Future of EagleSat-1

Mission Overview Primary Objective: Educational Secondary Objectives: Primary: Orbital decay Secondary: Supercapacitors Operational goals: Determine position periodically to approx decay Store data for transmission Downlink at request Beacon identity and telemetry

Satellite Structure

Satellite Structure: GPS Novatel OEM615

Satellite Structure: Comms Taoglas Antenna Ceramic GPS Patch for RF Wood and Douglas Radio Module

Satellite Structure: Power Eaton HV1030-2R7106-R 10F (3V) Supercapacitors Provides 4F (15V)

Satellite Structure

Satellite Testing Day in the Life Test: software verification Random Vibration: launch vehicle Shock: launch vehicle Thermal Bakeout: outgassing

Integration and Launch NASA (2017)

Communications 437.645 MHz monopole, steel, 17.8 cm long, 25 degrees from top of structure Yagi, 23 elements

Ground Station Rotator and Azimuth Ham Radio Deluxe TNC Pre-Amp Power Supply Azimuth: 450 deg Elevation: 180 deg Kenwood Radio

Data Flow

Failure Analysis: Silent Treatment Antenna not deployed Discharging before transmitting Shorting near solar cells GPS consuming Damaged solar cells Damaged critical components United Launch Alliance (2018)

Next Steps Surrounding frequencies Old frequency Eclipsed and non-eclipsed passes Visual confirmation 4.5 meter dish Rfhamdesign.com

Future of EagleSat-1 Estimated Life span: 1-2 years Orbit Life span: 7-9 years GPS data will analyze models for small satellites Observe, propagate, observe, present discrepancies

Acknowledgements

Questions. Deborah Jackson jacksd40@my. erau Questions? Deborah Jackson jacksd40@my.erau.edu “Success is not final, failure is not fatal: it is the courage to continue that counts.” Winston Churchill

Citations NASA (2017), JPSS Launch 3a [Online Image]. Retrieved March 23, 2018 from https://www.nasa.gov/press- release/nasa-launches-noaa-weather-satellite-aboard- united-launch-alliance-rocket-to-improve. United Launch Alliance (2017), Delta II JPSS-1 Mission Profile [Screenshot]. Retrieved March 23, 2018 from https://www.youtube.com/watch?v=tLkbdYZyf1c User picture 4.5 Meter Dish [Online Image]. Retrieved on March 23, 2018 from http://www.rfhamdesign.com/products/parabolicdishkit/45 meterdishkit/index.php.