ALEASAT
Design
Antenna Deployer Module
Mechanism responsible for deploying the communication antenna once the spacecraft reaches orbit. Ensures reliable data transmission by extending the antenna into its operational position.
Specifications:
Operating Frequency: UHF (437 MHz)
Bandwidth: 20 kHz
Antenna Type: V-Dipole
Deployment Mechanism: Spring-loaded
GNSS Antenna: SANAV AM-9
Communication Board
Handles the transmission and reception of data between the spacecraft and ground stations. Includes RF circuits and interfaces with antennas.
Specifications:
RF transciver: Texas Instruments CC1110
Power Amplifier: Guerrilla GRF5504
TCXO: Fox Electronics FT5HN
GNSS Receiver: Orion B16
Camera and Lens
Captures visual data of Earth or space for imaging missions. Mounted with a lens and connected to the onboard computer for data processing.
Specifications:
Camera: ArduCAM OV5642
Array Size: 2592 x 1944 pixels
Pixel Size: 1.4 μm
Lens: Edmund optics
Focal Length: 35 mm
Field of View: 6° x 4.5°
Aperture: f/2.8
Filter: Edmund Optics UV/IR-Cut Filter
Filter Passband: 400-700 nm
Solar Panel
Provides electrical power to the spacecraft by converting solar energy into electricity. Essential for sustaining long-term operations in orbit.
Specifications:
Manufacturer: EnduroSat
Solar Cell Type: Triple-junction InGaP/GaAs/Ge
Sensors: Temperature sensor, Sun Sensor, Magnetorquer, and Gyroscope
Structure
The physical framework of the spacecraft that houses and supports all subsystems and payloads. Designed for mechanical stability and efficient thermal management.
Specifications:
Material: Aluminum 6061
Kill Switch and RBF Pin
A safety mechanism used during ground operations to prevent accidental activation of spacecraft systems. The Remove Before Flight (RBF) pin must be pulled prior to launch.
On-Board Computer
The central processing unit of the spacecraft. Manages control, communication, payload operations, and interfaces with all other subsystems.
Specifications:
Microcontroller: Texas Instruments TMS570LS0714
CPU: ARM Cortex-R4F 32-Bit RISC CPU
Architecture: Dual-core lockstep
RAM Size: 128 KB
Flash Size: 256 MB
MRAM Size: 256 KB
IMU: Bosch BMX160
Electrical Power System
Manages power generation, storage, and distribution onboard. Regulates voltage and supplies power to all systems using solar panels and batteries.
Specifications:
Manufacturer: ISISPACE
EPS: Compact Electrical Power System 2
Capacity: 40 Wh
Voltage: 5V, 3.3V
ALEASAT
Key Specifications
| Payload | Earth-imaging payload for disaster relief training purposes |
| Ground Station(s) | UHF band located at UBC Vancouver |
| Dimensions | Stowed: 100.0mm x 100.0mm x 113.5mm Deployed: 389.2mm x 253.9mm x 113.5mm |
| Mass | 1.035 kg |
| Power consumption | Idle: ±1.2W |
| Solar panel | 4x Fixed 1U Solar Panel |
| Mission Duration | 1-2 years |