CIT-GARDENsChiba Institute of Technology CubeSat Program
BOTAN logo

GARDENs No.4 4th cohort

BOTANpeony

Botan-tan
STATUS
Mission ended
CALLSIGN
JS1YPT
VHF
145.825 MHz
UHF
437.375 MHz
LAST EVENT
Mission ended 2026.03.03

Structure

Structure

Structure of BOTAN

Boards

Board Description
MB Mission board
RAB Gyro, gyro MCU and camera
ANT Antenna board
BPB Backplane, current sensors
OBC Micro Orbiter 1 derived board
FAB BIRDS-5 derived board
COM Communication board
Arduino R4 compatible board Gyro MCU
+Z panel CIGS solar cells
−Z panel Status LEDs, 2 circuits, 4 LEDs
−X, +Y, −Y panels Common design with YOMOGI
Main structure Common design with YOMOGI

Antenna

Test Result
Deployment rate, 20 times 100%
Deployment time Within 20 s
Hot deployment 24 s
Cold deployment, −35 ℃ Pass
Deployment force 0.56 kgf, creep test load 1.96 kgf
Wire strength Creep, strength and proof tests passed

Inspections

Test Result
Fit Check Pass
Interface Verification Pass
Sharp Edge Inspection Pass
Inhibit Diode reverse current within 600 µA, DCDC output 4.21 V or less
SAP IV curve change within 10% before and after TVT