Summary

The Dragonfly Aerospace µDragonfly Bus is designed to provide stable and precise Earth imaging capability across a range of spectra. The system has an automated Attitude and Orbit Control System (AOCS) including a Xenon electric propulsion unit. Communication is enabled via an X-band data downlink and S-band TMTC, and the bus includes various electrical interfaces for simple integration with a range of payloads.

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Last updated: 2022-01-08

µDragonfly Bus

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Specs

mass
100 kg bus class
lifetime
5 yr
payload mass
up to 60 kg
payload volume
⌀ 500 mm x 1000 mm
peak power
1.2 kW
bus voltage
24.5 to 33.6 V (unregulated)
pointing accuracy
< 0.01° (3-sigma)
slew rate
up to 4°/sec
thrust
15 mN (Xenon electric propulsion system)
specific impulse
1380 s (Xenon electric propulsion system)
downlink data rate
400 kbps (S-Band)
1 Gbps (X-Band)
uplink data rate
150 kbps (S-Band)
data interface
CAN
RS422
RS485
LVDS
SpaceWire

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