Article 5VBPA After 7 years, a spent Falcon 9 rocket stage is on course to hit the Moon

After 7 years, a spent Falcon 9 rocket stage is on course to hit the Moon

by
Eric Berger
from Ars Technica - All content on (#5VBPA)
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Enlarge / On February 11, 2015, a Falcon 9 lifted off from SpaceX's Launch Complex 40 at Cape Canaveral Air Force Station, Florida, carrying the Deep Space Climate Observatory satellite on SpaceX's first deep space mission. (credit: SpaceX)

SpaceX launched its first interplanetary mission nearly seven years ago. After the Falcon 9 rocket's second stage completed a long burn to reach a transfer orbit, NOAA's Deep Space Climate Observatory began its journey to a Sun-Earth LaGrange point more than 1 million km from the Earth.

By that point, the Falcon 9 rocket's second stage was high enough that it did not have enough fuel to return to Earth's atmosphere. It also lacked the energy to escape the gravity of the Earth-Moon system, so it has been following a somewhat chaotic orbit since February 2015.

Now, according to sky observers, the spent second stage's orbit is on course to intersect with the Moon. According to Bill Gray, who writes the widely used Project Pluto software to track near-Earth objects, asteroids, minor planets, and comets, such an impact could come in March.

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