µDragonfly Bus

Vendor profile

Overview

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.

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 interfaces: CAN, RS422, RS485, LVDS, SpaceWire

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Overview

Name: µDragonfly Bus
Vendor: Dragonfly Aerospace
Subsystem: Bus and Platform
Component Type: SmallSat Platform
Form Factor: SmallSat
Heritage: N/A

Vendor Details

Name: Dragonfly Aerospace
Website: https://dragonflyaerospace.com/
Founded: 2020
Summary: Dragonfly Aerospace envisions a future in which our small, high-performance imaging satellites and payloads enable large imaging constellations that provide persistent views of the Earth in a variety of spectrums, providing unprecedented business intelligence and improving people's lives all over the world. Dragonfly Aerospace satellites and payloads are built on a 25-year legacy of components and design principles that date back to the first South African microsatellite, SUNSAT, which was launched in 1999. Since South Africa's entry into the space race, members of our team have worked on every microsatellite space mission.