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ASTROMETRIC UPDATE:
OCCULTATION BY (1035) AMATA - 2001 JUNE 24

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[Prediction by Edwin Goffin]

[Prediction using OCCULT software]

The path given by Edwin Goffin clips the northern tip of the North Island of New Zealand, crosses southern Victoria including Melbourne as well as the south western cornor of Western Australia. The path given by Occult lies around 0.3" to the south and 4 minutes earlier.


UPDATE: 20 June 2001

This prediction update has been computed by Steve Preston of the Medina, Washington (state) in the United States based on astrometry from Ron Stone of the US Naval Observatory - Flagstaff Station supplemented with historical data from the AstDys database. The UCAC 1 position of the target star has been used.

Summary:

This update indicates a shift of around 0.3" to the south and around 15 seconds later than that given by Goffin. The path crosses the central parts of the North Island of New Zealand around 14:03 UT. The path includes much of East Cape, Whakatane and Rotorua with Tauranga near the north edge. The path uncertainty is quite large and in fact most of the North Island stands a good chance of observing an occultation.

Across the Tasman Sea, the path crosses central Tasmania at 14:07 UT. All of Tasmania lies within a reasonable error band for this calculation with Melbourne only slightly beyond the northern edge (14:07:15 UT). The nominal path does not make landfall in Western Australia but runs closely parallel between Albany and Cape Leeuwin (14:12 UT). Perth lies just to the north of the northern error band limit.

Additional details of this and other events are available at Steve Preston's website at http://www.oz.net/~stevepr/Asteroids/asteroid.htm

THE EVENT AT ONE GLIMPSE:

The Occultation Path: Data for the target star: Data for the minor planet: Data for the event:

Amata Update

IMPORTANT NOTE!

Astrometric updates such as these should not be taken as definitive, but rather only as an indication of where the true track may lie relative to the original predicted track. Observers must bear in mind that later astrometry, in which the target star is measured in the same field as the asteroid, may still reveal substantial changes to the predicted track and time of the event. For this reason it is most important that observers far from the predicted track still monitor the event.

Use these links for further information:
[Planetary Occultations] [Using the Predictions]
[Observing Details] [Timing Details] [Reporting Details] [Report Form]
[Asteroid Occultation Results]


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