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On 21 June 2010 around 21:00 UT (night of June 21st to June 22nd, 2010), Pluto's small satellite may occult a relatively bright star with Rmag~ 11.4. The even can last a few seconds at most.
J2000 position (Assafin et al, Rio de Janeiro group):
α= 18h 17mn 00.4270 sec
δ= -18d 14' 47.666"
Photometry of the star (Vizier site) available here (pdf sheet).
Map (typical uncertainty is +/- 1000 km N-S), updated 19 June 2010.
The shadow moves from right to left, the larger red dot is geocentric C/A
(corresponding to the time h:m:s UT given below the map)
and small red dots are plotted every minute.
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Chart 5.5 x 5.3 arcmin:
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