June 9, 2009

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Impact Alert

LPOD-June9-09.jpg
Jim Mosher

If you live in Asia and Australia you have a rare opportunity for an observing adventure tomorrow. On June 10th at 18:30 UT the Japanese lunar orbiter Kaguya (originally called Selene) will end its two years of science with a final impact experiment. The location of the impact is very near the southeast limb close to 80ºE, 63ºS. This area will be in shadow as the Moon has just passed full, but easy to find just beyond the terminator south of Janssen. Visual observations and video monitoring may be rewarded with a bright flash or (possibly) a cloud of ejecta that rises into sunlight as the large spacecraft rams into the surface at 6000 km/hr. It is impossible to predict accurately what will be seen, so perhaps on Thursday an LPOD contributor can show the world what an impact looks like. Jim Mosher has used LTVT and an earlier image by Pete Lawrence with very similar phase angle to show where to look. But this location and time might change; Japanese scientists will use orbital tracking to refine the place and time by issuing an Chuck Wood

Technical Details
Pete's image was taken on 2006 Aug 12 at 00:15 UT.

Related Links
Rükl plate 75
Jim's very informative Kaguya impact webpage
Another map of the impact area.

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