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Stellar Occultation by (132715) 2002 OR18 on 2025-10-05 (04:10:56 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] : 82df5240-ddb8-11f0-547e-91a0dfab3071 [observed]

 Occultation Date + Time   : 2025-10-05 at 04:10:56 UT +/- 0.01 min  [1]
 Object Designation        : (132715) 2002 OR18
 Star Designation          : GDR3 3426664241787918208
 Star Coordinates (ICRF)   : RA = 06 04 45.7950, DE = +25 38 55.574  [2]
 Star Magnitudes           : G = 11.66 mag, RP = 11.49 mag, BP = 11.73 mag
 Object Magnitude          : V = 19.88 mag
 Estimated Magnitude Drop  : 8.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 11.2 km/s
 Object Mean Diameter      : 4.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3733 arcs/min @ PA = 100 deg
 Horizontal Parallax       : 3.5440 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 106° (sunlit = 95%), Sun = 101°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.45 path-width (1-sig)
 RUWE and duplicate source : 0.86 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#50
 Note                      : FP:true

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


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