DRAGONFLY BUS

High-performance imaging satellite

Dragonfly Bus Core Specifications

Dragonfly Bus Technical Specifications

Attitude and Orbit Control

Pointing control stability

< 0.002º/sec (3-sigma)

Pointing control accuracy

< 0.02º (3-sigma)

Slew rate

up to 2.5º/sec

Control frequency

10 Hz

Fully automated AOCS

through target tracking

Xenon Electric Propulsion System

28 mN thrust, up tp 1850s Isp

Communications

S-Band TMTC

400 kbps down, 150 kbps up

X-Band Data Downlink

2.5 Gbps

Electrical power system

Energy storage

up to 2400 Wh

Solar Array Peak Power

up to 1500 W

Orbit Average Power (OAP)

up to 800 W

Peak power

4.2 kW

Bus Voltage

28 V

Payload

Available mass

up to 250 kg

Available Peak Power

up to 4.0 kW

Electrical interfaces

TMTC

CANbus, RS422/RS485

Data

LVDS / SpaceWire / SerDes

Optional HSDR

8 TB (Scalable)

High-Speed Data Recorder (HSDR)

32 GB (EDAC Protected)

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