July 31 Stellar Occultation Prediction

Date of prediction: 20070629 13:35 mountain time

Prediction Name: Pred_102

By Cathy Olkin

 

 

Prediction 102 using astrometry through jd 2454280.89777

Reference star position: 17:45:41.9799 -16:29:31.652

Reference ephemeris: DE413, PLU013

Changes since pred 101: more nights data

Mean of COL O-E, RA mas:      -6.6641417 +/-        1.1785096

Mean of COL O-E, Dec mas:       2.3790064 +/-        1.0688468

Number of Pluto observations           54

070607        40.751488       -166.66667

070608        55.613797       -99.666667

070609        68.078959       -111.66667

070614        21.094884       -162.00000

070615       -18.697742       -142.66666

070627        218.14032       -129.00003

070628       -55.134365       -118.66667

070629        38.833781       -29.333338

Number of star observations:           24

Mean P495.3 offset:        46.085140       -119.95834 mas

stderr of mean star offset:        20.714508       16.500498 mas

f, g Pluto =       -1416.1470       527.23601

f, g Star =        519.58746      -2371.3368

Geocentric Closest Approach Time: 2007 JUL 31 13:51:26.853

Closest approach distance, arcsec:       0.15168863