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Stellar Occultation by (28336) 1999 DZ4 on 2026-09-12 (22:02:54 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] : dced80a0-d9b0-11f1-43f3-6a594feb110c [observed]

 Occultation Date + Time   : 2026-09-12 at 22:02:54 UT +/- 0.01 min  [1]
 Object Designation        : (28336) 1999 DZ4
 Star Designation          : GDR3 2725051131772107520
 Star Coordinates (ICRF)   : RA = 21 51 37.2116, DE = +08 24 00.042  [2]
 Star Magnitudes           : G = 13.76 mag, RP = 13.26 mag, BP = 14.09 mag
 Object Magnitude          : V = 18.44 mag
 Estimated Magnitude Drop  : 4.7 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 13.1 km/s
 Object Mean Diameter      : 6.4 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4833 arcs/min @ PA = 229 deg
 Horizontal Parallax       : 3.9310 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 138° (sunlit = 4%), Sun = 154°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.25 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL56
 Note                      : FP:true

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


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