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OSIRIS-APEX (Origins, Spectral Interpretation, Resource Identification, and Security - Apophis Explorer)

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    NASA’s OSIRIS-APEX Spacecraft to Slingshot Past Earth

    Data visualization of Earth with the Moon orbiting, seen from above, so the Moon’s orbit is a perfect circle. OSIRIS-APEX appears from the upper right side, with its trajectory mapped behind it. It flies in, crossing the Moon’s orbit, until it passes just below Earth. It passes Earth just long enough to change its trajectory, exiting the orbit to the upper left. Its trajectory makes a wide checkmark with Earth at the vertex.

    At 12:56 p.m. EDT on Tuesday, Sept. 23, NASA’s OSIRIS-APEX (Origins, Spectral Interpretation, Resource Identification, and Security – Apophis Explorer) spacecraft will fly within about 2,100 miles (3,400 kilometers) of Earth. Passing about 100 times closer to Earth than the Moon’s orbit, the spacecraft will perform a gravity assist maneuver to alter the spacecraft’s direction […]

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