AubieSat1

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AubieSat-1
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AubieSat-1 Mission Overview

• Launched through CalPoly
• 1 kg mass
• 10cm cube
• 700 km altitude polar orbit
• Low power/data rate

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Launch Providers

• ITC Kosmotras Dnepr, brokered by CalPoly for
  U.S.A. schools
• Space-X or other startup
• ESA
• NASA

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• P-Pod holds 3 Cube-Sats.
• The satellites are ejected from the tube, using a
  spring plunger and travel on smooth flat rails.
• Release is initiated when the deployers
  spring-loaded door opens after the line is cut.

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AubieSat-1 Mission Goals

• To put Auburn on the map
• Technology demonstration to show Auburn can
  produce reliable data from space
• Set foundation for future student build satellite
  missions, to perform real science missions

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AubieSat-1 Subsystems

• Satellite
• Systems Engineering
• Command Data Handling
• Communications
• Electrical Power
• Payload
• Mechanical Structure
• Ground Station

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Command Data Handling

• Brains of the satellite
• Controls the functions of the satellite
• Executes commands from ground
• Collects and stores data from satellite
  sensors and payload
• Sends data to the ground
• Real time operating system
• Microprocessor at heart

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Communications

• Two parts
• Primary
• Secondary
• Two dipole antennas for redundancy
• Sends telemetry data for approximately 15 to 20
  minutes per day

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Primary Communications

• Communicates Telemetry data
• Off the shelf radio at its heart
• Power relay to control power to radio
• Terminal node controller to convert digital to
  analog data

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Secondary Communications

• Just a receiver to act as a backup to the primary
  hardware
• Done to satisfy FCC regulations to be able to
  terminate any transmission
• Has some basic command and control of the
  satellite

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Electrical Power System

• Power generated by solar cells
• Power stored in two lithium ion batteries
• One voltage line
• 5 Volts

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Mechanical Structure

• Provides structural support for electronics
• Antenna deployment mechanism
• Thermal analysis
• Vibration analysis
• Integration with CalPoly

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Antenna Deployment Mechanism

• Confines Dipole antennas during launch
• Deploys antenna when in orbit

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Internal Structure
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Ground Station

• Tracks and communicates with satellites
• Displays data transmitted from the satellite on a
  computer

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Positions

• Command and data handling (hardware)
• Design Engineer
• Technical Engineer
• Fabricate launch test box
• Electrical power
• Design Engineer
• Technical Engineer
• Communications
• Design Engineer
• Technical Engineer
• Science experiment
• Regulatory person
• Webmaster (add content to existing site)
• Component engineer (determine legacy)

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Questions?