Privately-Built Moon Lander Faces Major Setback After Launch

The much-anticipated launch of the privately-built Peregrine moon lander faced a major setback when engineers encountered challenges in keeping the spacecraft properly oriented shortly after its successful launch on Monday, which comes as a significant blow to the first U.S. lunar lander mission since the Apollo program more than 50 years ago.

Initial Success and Subsequent Anomalies

Following a successful launch, engineers at Astrobotic, the spacecraft builder, reported that the initial checkout and activation of Peregrine’s systems went as planned. However, they encountered an anomaly that prevented the spacecraft from achieving a stable sun-pointing orientation. This issue, which is crucial for the success of the mission, poses a serious threat to the spacecraft’s ability to soft-land on the moon.

Technical Challenges and Response

The likely cause of the sun-pointing issue was identified as a propulsion anomaly, with the spacecraft battery also reaching critically low levels. As a response, commands were sent to re-orient the Peregrine to improve solar power generation. However, during this process, the spacecraft experienced a communication interruption, causing further complications. The team at Astrobotic is working diligently to stabilize the propulsion system and maximize the scientific data captured, while also assessing alternative mission profiles given the current situation.

A Challenging Endeavor

The Peregrine lander represents a pioneering venture as the first American spacecraft set to reach the moon’s surface through a non-government commercial initiative in over half a century. This endeavor is not without its challenges, as demonstrated by the complexities involved in successfully maneuvering and landing on the lunar surface. The CEO of Astrobotic, John Thornton, emphasized the difficulty of lunar missions, especially for non-superpower funded endeavors, expressing the company’s commitment to learning from any setbacks and emerging stronger for future missions.
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Mission Payload and Ambitions

Peregrine’s mission, funded under NASA’s Commercial Lunar Payload Services program, aims to foster the development of lunar transportation and surface delivery services for commercial purposes. Under this program, Astrobotic is tasked with delivering five sophisticated science instruments and a navigation sensor to the moon, with a total of twenty experiments and payloads on board. These payloads range from research instruments to significant symbolic elements like a time capsule, a piece of Mount Everest, and human “cremains” from individuals whose ashes are destined for the lunar surface.

Successful Launch and Future Plans

The launch of Peregrine on United Launch Alliance’s new Vulcan rocket constituted the initial phase of an ambitious program to replace existing boosters with more powerful and cost-effective alternatives. Despite the setback, the successful launch and early telemetry from the lander offered promising signs. The flight plan entails further orbital testing before Peregrine sets course for the moon, with a scheduled landing near the Gruithuisen Domes targeted for February 23.


The setback faced by the privately-built moon lander highlights the inherent difficulties in space exploration, especially for commercial entities venturing into uncharted territory. While the current situation presents formidable obstacles, the response and adaptability showcased by the team at Astrobotic underscore their determination to overcome challenges and pave the way for future successes in lunar exploration.


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