AUSTRALISPathway to a trusted Australian Sovereign Satellite Constellation

A phased Mission commencing with a two-spacecraft low Earth orbit technology demonstrator, progressing to a constellation of modular satellite platforms that will provide a multi-purpose, resilient satellite capability for Australia.

Conceptual AUSTRALIS mission architecture Two spacecraft connected by an inter-satellite link and communicating with two Australian ground stations. SPACECRAFT 01 (TARS) SPACECRAFT 02 (CASE) GROUND SEGMENT (ENDURANCE) PHASE 1 / TECHNOLOGY DEMONSTRATOR
AUSTRALIS Mission 1
2 spacecraftLEO technology demonstrator
≈30 kg classCompact, modular and scalable spacecraft architecture
Scalable dispenserDesigned and built in-house for reliable spacecraft deployment
Australian-ledDesigned to grow sovereign space engineering capability

From demonstration to networked capability.

Building on the Phase 1 demonstrator, AUSTRALIS will progress towards a resilient constellation of modular spacecraft, connected through domestic ground network infrastructure, and upgradeable to meet the evolving space capability needs of Australia.

Multi-role payloadsIntelligent NetworkingAustralian operatedAdaptable architecture
Conceptual AUSTRALIS satellite constellation A networked constellation of satellites connected to Australian ground stations and two operations centres. SOVEREIGN CONSTELLATION
The mission

Demonstrating the building blocks of resilient orbital communications.

01

Modular spacecraft

Develop a common spacecraft architecture intended to reduce redesign effort and support future mission variants.

02

Scalable spacecraft dispenser

Develop a re-usable spacecraft dispenser that can be easily scaled for constellation deployments.

03

Software-defined payload

Use a reconfigurable communications payload to support evolving waveforms, networking experiments and on-orbit software updates.

04

Formation flying

Demonstrate coordinated operation of two spacecraft with relative navigation, controlled separation and mission-level autonomy.

05

Inter-satellite communications

Validate a reconfigurable crosslink between spacecraft as a foundation for future networked systems on orbit.

06

Ground connectivity

Demonstrate reliable command, telemetry and mission-data exchange through Australian ground infrastructure.

Development path

Designed as a flight program, not a paper study.

The AUSTRALIS program is a carefully phased set of on-orbit demonstration missions. This approach provides maximum opportunity for the modular architecture to grow in complexity and be adapted to evolving market requirements as the program progresses.

AUSTRALIS 1 · 2 satellitesProof of concept

Demonstrate formation keeping, continuous inter-satellite links, routed communications, autonomous reconfiguration, adaptive radio functions and over-the-air updates.

AUSTRALIS 2 · 4 satellitesExpanded capability

Extend the proven architecture with Earth observation, increased power and data rates, rapid manufacture and integration, and enhanced network security.

AUSTRALIS 3 · 20+ satellitesConstellation demonstration

Scale the capabilities demonstrated by AUSTRALIS 2 and introduce high-capacity optical communications between satellites.

Building capability that can scale beyond one mission.

The AUSTRALIS missions are intended to validate scalable spacecraft, communications and ground-segment systems as building blocks for a future Australian satellite constellation.

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