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Stellar Occultation by (51786) 2001 MY18 on 2024-11-17 (18:42:57 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] : a6c67b50-ddb5-11f0-547e-f9abca5f6755 [observed]

 Occultation Date + Time   : 2024-11-17 at 18:42:57 UT +/- 0.02 min  [1]
 Object Designation        : (51786) 2001 MY18
 Star Designation          : GDR3 0306646547377499264
 Star Coordinates (ICRF)   : RA = 01 04 54.9910, DE = +26 18 16.623  [2]
 Star Magnitudes           : G = 13.43 mag, RP = 12.96 mag, BP = 13.74 mag
 Object Magnitude          : V = 17.25 mag
 Estimated Magnitude Drop  : 3.9 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 9.4 km/s
 Object Mean Diameter      : 7.8 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.4467 arcs/min @ PA = 200 deg
 Horizontal Parallax       : 5.0500 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 57° (sunlit = 95%), Sun = 145°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.16 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#57
 Note                      : FP:true

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


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