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Stellar Occultation by (219515) 2001 OY39 on 2024-12-24 (18:06:11 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
 Occultation UUID [and db] : cba56a80-ddb5-11f0-547e-286cef6d8a72 [observed]

 Occultation Date + Time   : 2024-12-24 at 18:06:11 UT +/- 0.06 min  [1]
 Object Designation        : (219515) 2001 OY39
 Star Designation          : GDR3 3390897021158265344
 Star Coordinates (ICRF)   : RA = 05 29 35.9447, DE = +15 52 24.748  [2]
 Star Magnitudes           : G = 12.21 mag, RP = 11.52 mag, BP = 12.73 mag
 Object Magnitude          : V = 19.56 mag
 Estimated Magnitude Drop  : 7.4 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 12.9 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5283 arcs/min @ PA = 282 deg
 Horizontal Parallax       : 4.3530 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 120° (sunlit = 33%), Sun = 167°
 Cross-track uncertainty   : 22.0 mas = 32 km = 10.75 path-width (1-sig)
 RUWE and duplicate source : 1.23 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL36
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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