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AstronomyCast

Astronomy Cast

Astronomy Cast takes a fact based journey through the cosmos as it offers listeners weekly discussions on astronomical topics ranging from planets to cosmology.

2004 EU22

... is an apollo-class NEO. It was was discovered by LINEAR on 15 March 2004 and had its closest approach to earth on the same day at a distance of 0.0132 AU or roughly 5 lunar distances. On 17 March 2004 at 21:00 we were able to pick it up in the constellation Leo. The NEO was moving at a speed of 22"/min. So the exposure time was limited to 10 seconds for a single frame.

Three series of 18 images were stacked with Astrometrica. The temporary designation AM37068 was changed to 2004 EU22 after five other observatories reported astrometry to the MPC.

 

 

2004 EU22

2004 EU22, Apollo, 15.9 mag , P.A. 59.5°, 22"/min
Stack of 18 x 10 seconds, 0.20 m Cassegrain, ST-2000 XME 2x2 binned