Optus D3 life extension mission enters second phase

Optus has completed the first phase of Project Aurora for the Optus D3 satellite, clearing the way for the second phase of the life-extension mission.

The first phase concluded with the undocking of Northrop Grumman's Mission Extension Vehicle from Optus D3 after more than a year of operations. During that period, the vehicle provided additional propulsion and attitude control support to help maintain service continuity while the next stage was prepared.

Next phase

Phase two is now under way following the launch of Northrop Grumman's Mission Robotic Vehicle and the Mission Extension Pod assigned to the Optus D3 mission. The pod is due to be installed on the satellite in late 2027 and is expected to extend its operational life by up to six years.

The project focuses on servicing a geostationary satellite already in orbit rather than replacing it with a new spacecraft. Once fitted, the pod will provide propulsion support to Optus D3 and serve as an additional fuel source, helping keep the satellite in service into the 2030s.

Project Aurora is part of a broader commercial push to service satellites in orbit. For operators, such missions offer a way to get more use from existing space assets and delay the cost and complexity of replacement launches.

Optus D3 is an important part of the company's satellite fleet strategy. The satellite provides capacity and resilience across Optus' network, supporting broadcast and communications services in Australia and the wider Asia-Pacific region.

Fleet resilience

Harvey Wright, Executive General Manager, Satellite, Optus, described the latest stage as a notable point in the programme.

"The successful undocking of the MEV from Optus D3 marks the completion of the first phase of Project Aurora and is a significant achievement in our mission to increase the resilience of our sovereign satellite fleet," said Harvey Wright, Executive General Manager, Satellite, Optus.

He linked the result to the next stage of work with Northrop Grumman.

"Combined with the recent successful launch of the MRV and Optus' Mission Extension Pod, we are continuing to break new ground in satellite life extension in partnership with Northrop Grumman. These milestones demonstrate how innovative technologies can maximise the value of existing satellite assets while supporting long-term service continuity for customers," said Wright.

Wright said the project also forms part of a broader operational and sustainability agenda for the company's space assets.

"Project Aurora reflects our commitment to advancing satellite innovation, strengthening the resilience of our satellite network and driving more sustainable approaches to satellite operations. We now look ahead to the next major milestone, with installation of the MEP on Optus D3 scheduled for late 2027," added Wright.

Servicing hardware

Northrop Grumman is providing the servicing hardware used in the mission. Its Mission Extension Vehicle was used in the first phase, while the Mission Robotic Vehicle is designed to install Mission Extension Pods on satellites in orbit using robotic systems.

The Mission Extension Pod for Optus D3 will remain under Optus ownership and control after docking. The arrangement is intended to give the operator direct control over the asset supporting the satellite's propulsion and long-term operation.

The development also reflects growing interest in on-orbit servicing across the space industry. Supporters of the model argue that robotic servicing and mission-extension systems can reduce waste, preserve orbital assets and improve returns on satellites already in service.

Commercial use

Cassie Wong, Director, Logistics and Servicing, Northrop Grumman, said the project showed how this work is moving into regular commercial use.

"Our decade of proven experience in satellite servicing shows that mission-extension technology is here. This capability shows us a vision of how we can transform the industry as we know it today, with technologies that redefine the boundaries of resiliency and flexibility for in-space satellites," said Cassie Wong, Director, Logistics and Servicing, Northrop Grumman.

For Optus, the project is tied as much to continuity as to technology. By extending the life of D3 rather than retiring it, the company is seeking to preserve capacity in its existing fleet while adding flexibility to manage demand across its satellite network.