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Stellar Occultation by (116432) 2003 YM153 on 2023-08-24 (21:22:53 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] : 05bf4bc0-ddb4-11f0-547e-4b6adff7ae3c [observed]

 Occultation Date + Time   : 2023-08-24 at 21:22:53 UT +/- 0.0 min  [1]
 Object Designation        : (116432) 2003 YM153
 Star Designation          : GDR3 6915222870722087424
 Star Coordinates (ICRF)   : RA = 20 48 10.4832, DE = -02 55 25.775  [2]
 Star Magnitudes           : G = 11.84 mag, RP = 11.19 mag, BP = 12.0 mag
 Object Magnitude          : V = 19.62 mag
 Estimated Magnitude Drop  : 7.8 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 15.6 km/s
 Object Mean Diameter      : 5.5 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4550 arcs/min @ PA = 263 deg
 Horizontal Parallax       : 3.0930 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 68° (sunlit = 55%), Sun = 157°
 Cross-track uncertainty   : 1.7 mas = 3 km = 0.64 path-width (1-sig)
 RUWE and duplicate source : 0.9 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL50
 Note                      : FP:true

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


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