Dragonfly Bus

Vendor profile

Overview

The Dragonfly Bus is designed for precise spatial resolution Earth imaging and mapping for a wide range of communicational and scientific applications.
The Dragonfly Bus system has a long lifetime and features an automated Attitude and Orbit Control System (AOCS) with a Xenon electric propulsion unit. Communication is enabled via an S-band TMTC and an X-band data downlink, and the bus includes a variety of in-built electrical interfaces for simple integration with a range of payloads.

Attitude & Orbit Control
• Pointing control stability → < 0.002º/sec (3-sigma)
• Pointing control accuracy → < 0.02º (3-sigma)
• Slew rate → up to 2º/sec

Communications:
• S-Band TMTC → 400 kbps down, 150 kbps up
• X-Band Data Downlink → 1 Gbps

Electrical Power System:
• Energy Storage → Up to 2400 Wh
• Solar Array Peak Power → Up to 1130 W
• Orbit Average Power (OAP) → 710 W

Payload
• Available mass → up to 250 kg
• Available volume → 1000 x 1000 x 1000+ mm

Electrical Interfaces
• TMTC → CANbus, RS422/RS485
• Data → LVDS / SpaceWire / MGT

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Overview

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

Details

Class: 150 kg
Energy Storage: Up to 2400 Wh
Lifetime: 8 Years
Payload Available Mass: Up to 250 kg

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.