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ASTROMETRIC UPDATE:
OCCULTATION BY (261) PRYMNO - 1999 JULY 20

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[Prediction using OCCULT software]

Both the Goffin and OCCULT predictions suggests a path across central Australia, crossing the coast near Mackay, Queensland.


UPDATE: 20 July 1999

This prediction update has been computed by Graham Blow based on 8 astrometric positions from Alex Liu in Exmouth, WA. The ACT position of the star has been used.

Summary:

The updated track crosses north-central Australia, from the base of Cape York to Exmouth, WA.

Event time is in accord with the Goffin prediction and about 30 seconds earlier than the nominal OCCULT prediction. (Updated time is about 14h 10.5m for Exmouth).

THE EVENT AT ONE GLIMPSE:

Data for the target star: Data for the minor planet: Data for the event:

Prymno 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]
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[Asteroid Occultation Results]


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