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Stellar Occultation by (1000) Piazzia on 2026-08-31 (21:40:56 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] : 09209330-d9af-11f1-43f3-e51e2cf7400d [observed]

 Occultation Date + Time   : 2026-08-31 at 21:40:56 UT +/- 0.01 min  [1]
 Object Designation        : (1000) Piazzia
 Star Designation          : GDR3 2806275766567588096
 Star Coordinates (ICRF)   : RA = 00 33 34.0951, DE = +24 09 08.547  [2]
 Star Magnitudes           : G = 11.02 mag, RP = 10.65 mag, BP = 11.25 mag
 Object Magnitude          : V = 16.16 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 3.7 sec
 Speed of the shadow       : 12.8 km/s
 Object Mean Diameter      : 47.7 km  (src: astorb) => apparent = 25 mas
 Apparent Motion           : 0.4000 arcs/min @ PA = 287 deg
 Horizontal Parallax       : 3.3080 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 16° (sunlit = 85%), Sun = 137°
 Cross-track uncertainty   : 2.3 mas = 4 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 1.12 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL79
 Note                      : FP:true

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


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