ηDragonfly Bus

Vendor profile

Overview

The cutting-edge ηDragonfly is a nano-class satellite that revolutionises space delivery with the capability to deploy multiple satellites in a single launch. The ηDragonfly combines microsatellite performance and reliability within the compact cubesat-class parameters, eliminating the need for additional launcher pods.

Weighing just 50 kg, ηDragonfly is engineered to deliver five years or more of in-orbit operation and is designed for sensitive imaging payloads. Leveraging validated avionics components from the successful EOS SAT-1 satellite mission launched in January 2023, ηDragonfly ensures top-tier performance and reliability.

Attitude and Orbit Control
• Pointing Control Stability → <0.005°/sec (3-sigma)
• Pointing Control Accuracy → <0.01° (3-sigma)
• Slew Rate → Up to 12°/sec

Communications
• S-Band TMTC → 400 kbps down, 150 kbps up
• X-Band Data Downlink → 2.5 Gbps (peak)

Electrical Power System
• Solar Array Peak → 113—197 W
• Power Orbit Average Power (OAP) → 71—125 W

Electrical Interfaces
• TMTC → CANBus, RS422/RS485
• Data → LVDS / SpaceWire / SerDes

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Overview

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

Details

Class: 50 kg bus — 8” port
Energy Storage: Up to 300 Wh
Lifetime: 5 Years
Payload available mass: Up to 50 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.