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ASTROMETRIC UPDATE:
OCCULTATION BY (619) TRIBERGA - 2001 AUGUST 27

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[Prediction using OCCULT software + finder charts]

The path given by Occult runs centrally across the North Island of New Zealand.


UPDATE: 25 August 2001

This prediction update has been computed by Steve Preston of Medina, Washington (state) in the United States based on astrometry from Ron Stone of the US Naval Observatory - Flagstaff Station supplemented with data from the AstDys database. The UCAC position of the target star has been used combined with proper motion details from Tycho 2.

Summary:

This updated path lies around 0.2" to the northeast of that given by Occult and around 20 seconds earlier. The new path does not make landfall at any point in darkness but passes close to the northeastern extremes of the North Island of New Zealand.

The error band would just reach the North Island in a strip running from Northland through Auckland and the Bay of Plenty area to Gisborne over the period from 7:42 to 7:43 UT.

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:

Triberga 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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