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Stellar Occultation by (39092) 2000 VB57 on 2023-10-09 (23:32:09 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] : 244615b0-ddb4-11f0-547e-3834eef97833 [observed]

 Occultation Date + Time   : 2023-10-09 at 23:32:09 UT +/- 0.01 min  [1]
 Object Designation        : (39092) 2000 VB57
 Star Designation          : GDR3 0058195883444775680
 Star Coordinates (ICRF)   : RA = 03 35 14.8291, DE = +20 30 49.443  [2]
 Star Magnitudes           : G = 13.57 mag, RP = 12.83 mag, BP = 14.13 mag
 Object Magnitude          : V = 18.73 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 4.2 km/s
 Object Mean Diameter      : 3.5 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2200 arcs/min @ PA = 287 deg
 Horizontal Parallax       : 5.6090 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 87° (sunlit = 20%), Sun = 140°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.42 path-width (1-sig)
 RUWE and duplicate source : 2.6 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#41
 Note                      : FP:true

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


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