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Some visual aids for asteroid 2009 BD81 February 4, 2009

Posted by jcconwell in Asteroid, Asteroids, Astronomy.
Tags: , , , ,

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.


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


Click on the picture to see the orbital motion.

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




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