NASAのインスタグラム(nasa) - 12月4日 00時47分

Less than 24 hours before the launch of NASA’s Orion spacecraft atop a United Launch Alliance (ULA) Delta IV Heavy rocket, the L-1 forecast has improved to and there is a 70 percent chance of favorable weather. The two concerns remain the Flight Through Precipitation and Liftoff Wind Rules. The forecast prepared by the Spaceflight Meteorology Group at NASA’s Johnson Space Center in Houston continues to be favorable for Orion’s Pacific Ocean splashdown about 4.5 hours after launch. The detailed weather forecast is below.

Orion’s flight test is the next step in NASA’s journey to Mars. Orion is NASA’s new spacecraft built to carry astronauts to destinations never before visited by humans, including an asteroid and Mars. On this uncrewed test flight, Orion will test systems critical to crew safety, including the heat shield, parachutes, avionics and attitude control, as it travels farther into space than any spacecraft built for humans has traveled in more than 40 years.

Liftoff is scheduled for 7:05 a.m. EST on Thursday from Space Launch Complex 37 at Cape Canaveral Air Force Station, Florida. During its two-orbit flight, Orion will travel 3,600 miles in altitude and travel nearly 60,000 miles before returning to Earth. Orion will return through Earth’s atmosphere at speeds approaching 20,000 mph, generating temperatures near 4,000 degrees Fahrenheit on its heat shield. The spacecraft will land approximately 600 miles off the coast of Baja, California. Orion will be recovered by a combined NASA and U.S. Navy team that will attach it to cables that will pull it into the flooded well deck of the USS Anchorage.

Image credit: NASA
#orion #NASA #space #journeytomars

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