The Polaris Dawn mission rocket by SpaceX, a Falcon 9, is on Launch Complex 39A at NASA’s Kennedy Space Center in Cape Canaveral, Florida, as of August 26. Getty Images


August 28, 2024 Tags:

SpaceX has postponed the launch of its ambitious Polaris Dawn mission, which aims to send a crew of four civilians into Earth's Van Allen radiation belts. The mission, set to begin early Wednesday morning, has been delayed due to unfavourable weather conditions affecting the crew's safe return to Earth. The launch was initially scheduled for Tuesday, but it was called off because of technical issues with ground equipment at the launchpad.
Jared Isaacman, the billionaire behind the mission and a member of the crew, shared on social media that while the ground system issues have been resolved and the weather looks promising for launch, concerns about the return phase remain. The crew will need calm conditions for a safe splashdown in the ocean, and the current weather forecast does not support this. As a result, SpaceX has decided to skip the planned launches for both Wednesday and Thursday, opting to wait for better weather.

Isaacman emphasized the importance of having optimal weather for the mission's return phase. "We’ve got five, six days — maybe you can stretch it — of life support on the vehicle," he explained. "So you have to be really sure about where you have fault tolerance and redundancy in your systems. You’ve got to be really sure about the weather (for the splashdown return to Earth)."

The Polaris Dawn mission is noteworthy not only for its ambitious goals but also for its historic elements. The crew will embark on a five-day journey aboard SpaceX’s Crew Dragon capsule, aiming to set new records. They plan to reach higher orbits than ever before, surpassing the 853-mile altitude reached by NASA’s 1966 Gemini 11 mission by about 20 miles. This mission could also achieve the furthest human travel since the Apollo missions, which ventured a quarter million miles to the moon.

On August 19, Anna Menon, Scott Poteet, mission commander Jared Isaacman, and Sarah Gillis, members of the Polaris Dawn spaceflight team, attended a press conference at Kennedy Space Center in Cape Canaveral, Florida. Reuters

Additionally, the Polaris Dawn mission is expected to include the first commercial spacewalk, adding another layer of excitement and risk. The spacewalk will expose the crew to the vacuum of space, presenting challenges like securing the hatch on the Crew Dragon and managing any potential toxic releases from the cabin’s hardware. SpaceX has taken measures to address these issues, but the mission remains a significant test of its technology and planning.

Isaacman’s team includes former Air Force pilot Scott “Kidd” Poteet, and SpaceX engineers Anna Menon and Sarah Gillis. This crew is not just participating in a groundbreaking mission but also demonstrating the potential of civilian space travel. The mission is a continuation of Isaacman’s commitment to pushing boundaries in space exploration, following his previous Inspiration4 mission.

For now, the launch date remains uncertain, and SpaceX will continue to monitor weather conditions closely before making another attempt. The mission's progress and updates will be shared live on social media once a new launch date is set.

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