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Some visual aids for asteroid 2009 BD81 February 4, 2009

Posted by jcconwell in Asteroid, Asteroids, Astronomy.
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My thanks to Bob Holmes  of ARI for supplying me with his photos of the asteroid. The first picture is a series of  timed lapse photos taken with ARI 32″ telescope showing the discovery. You’ll notice it’s a negative image, which is very common for astronomers to work with, since it makes for easier visual identification.

2009bd81_movie1

The second image is a from NASA/JPL Risk web page which shows the orbit

2009bd81_orb_movie1

Click on the picture to see the orbital motion.

More information may be found at the ARI’s web page about the object at

http://killerasteroidproject.org/pha_neo_db81.htm

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