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So No New Earth Trojans, But OSIRIS-REx’s MapCam Surpassed Expectations

Asteroid 12 Victoria, imaged by NASA’s OSIRIS-REx spacecraft on Feb. 11. Credits: NASA/Goddard/University of Arizona.

Remember when I mentioned that NASA’s OSIRIS-REx spacecraft was going to be scanning for “Trojan” asteroids at Earth-Sun L4? Well the results are in and survey says: no new Trojans (besides 2010 TK7, which we already knew about.) But the search wasn’t in vain—it gave mission scientists a chance put the spacecraft’s OCAMS instruments to the test and they passed with flying colors.

In fact the MapCam camera did so well it was able to image 17 main belt asteroids from L4, some two full magnitudes dimmer than expected.

“The Earth-Trojan Asteroid Search was a significant success for the OSIRIS-REx mission,” said OSIRIS-REx principal investigator Dante Lauretta of the University of Arizona, Tucson. “In this first practical exercise of the mission’s science operations, the mission team learned so much about this spacecraft’s capabilities and flight operations that we are now ahead of the game for when we get to Bennu.”

Read the full story on the OSIRIS-REx site here: OSIRIS-REx Asteroid Search Tests Instruments, Science Team

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About Jason Major

Jason is a Rhode Island-based graphic designer, photographer, nature lover, space exploration fanatic, and coffee addict. In no particular order.

Posted on March 24, 2017, in Asteroids, Comets and Asteroids and tagged , , , , , , , , . Bookmark the permalink. 1 Comment.

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