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Stellar Occultation by (36637) 2000 QB179 on 2026-06-23 (22:18:24 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] : d0f98240-d9a5-11f1-43f3-1704fc3f3bd4 [observed]

 Occultation Date + Time   : 2026-06-23 at 22:18:24 UT +/- 0.01 min  [1]
 Object Designation        : (36637) 2000 QB179
 Star Designation          : GDR3 4094876284539195648
 Star Coordinates (ICRF)   : RA = 18 17 10.0792, DE = -18 33 59.723  [2]
 Star Magnitudes           : G = 13.74 mag, RP = 13.35 mag, BP = 13.98 mag
 Object Magnitude          : V = 18.45 mag
 Estimated Magnitude Drop  : 4.7 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.4 km/s
 Object Mean Diameter      : 3.6 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5517 arcs/min @ PA = 272 deg
 Horizontal Parallax       : 5.1660 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 69° (sunlit = 70%), Sun = 175°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.14 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL53
 Note                      : FP:true

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


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