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AOBA VELOX-IV

AOBA VELOX-IV was launched on Friday, January 18 at around 8.50 am from the Japan
Aerospace Exploration Agency Epsilon-4 rocket.​

AOBA VELOX-IV (AV4) is​ a low-cost 2U CubeSat which is developed in collaboration between Nanyang Technological University, Singapore ​and Kyushu Institute of Technology, Japan. The main objective of this mission is technological demonstration of taking earth glow images in LEO by using low-light camera and pulsed plasma thruster (PPT) towards observation of the lunar horizon glow in future moon mission.​

 
 
 

Technical Fact

​Description
Transceiver GOMSpace NanoCom AX100
Mode ​Half-Duplex
Frequency​ ​437.225 MHz
​Baud ​4800
Modulation ​FSK/MSK/GFSK/GMSK
Protocol CSP/KISS/GOSH/AX.25
TLE

AOBA VELOX-IV[ID:43940]          

1 43940U 19003J   19027.81518091  .00001519  00000-0  66580-4 0  9990

2 43940  97.2966  89.8217 0024033 208.9777 243.5479 15.23269137  1484​

​Beacon ​NIL
 
Ground Station GOMSpace NanoCom GS100
https://gomspace.com/shop/subsystems/communication-(1)/nanocom-gs100.aspx​​
Email Contact av4mail@googlegroups.com

​Subsystems​​​​​ ​Description
Size ​112 mm ​​​​x 112 mm x 227 mm​​​​ (stowed)
474 mm x 112 mm x 227mm (deployed)
Orbit ​Sun-synchronous 500-km orbit
​Mass ​2850 grams
​Lifespan ​12 months in LEO
​ADCS ​3-axis gyroscope, 02 fine sun sensors with 1200 FOV
06 coarse sun sensors, 03 reaction wheels
01 pulsed plasma thruster
​OBDH ​On-board computer with 2Gb storage UART and I2C data interfaces
​TT&C ​UHF half duplex 9600bps GMSK
downlink/uplink, dipole antenna
​EPS 2 deployable and 2 body mounted solar panels
Power: 18W peak BOL
5.8 Ah Li-Ion battery at 7.2 V nominal 
​Structure Al. 7075 chassis with stainless steel load bearing parts​
​Payload C329BW low-light camera​

PPT's Specification

​Parameters ​Specifications
Energy storage unit​
​3µF/1200
Firing frequency, fr ​1 Hz
​Input power, Pin ​2.16 W
​Mechanism ​Breech-fed
​Size ​97.5 x 97.5 x 70.0 mm
​Impulse bit, Ibit ​25.203 µNs
Mass bit, mbit ​3.8 µg
​Specific impulse, Isp ​676 s​
​Exhaust velocity, ve ​6.632 km/s

Camera Specification

​​Parameters ​Specification
​Camera model ​C329BW
​Resolution ​640x48​0
​Sensor Type 1/4" OmniVision VGA sensor​
​Sensitivity ​3.8 V/lux-sec
​Power Consumption  ​264mW
​Interface ​UART
​Sensor S/N Ratio ​50 dB
​​

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