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Stellar Occultation by (53229) 1999 CL100 on 2023-07-01 (21:53:14 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] : c1547eb0-ddb3-11f0-547e-f2f1beffcea7 [observed]

 Occultation Date + Time   : 2023-07-01 at 21:53:14 UT +/- 0.01 min  [1]
 Object Designation        : (53229) 1999 CL100
 Star Designation          : GDR3 6900519720199584128
 Star Coordinates (ICRF)   : RA = 20 42 52.3871, DE = -11 45 55.790  [2]
 Star Magnitudes           : G = 12.15 mag, RP = 11.55 mag, BP = 12.59 mag
 Object Magnitude          : V = 20.2 mag
 Estimated Magnitude Drop  : 8.1 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 10.6 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3800 arcs/min @ PA = 251 deg
 Horizontal Parallax       : 3.8130 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 53° (sunlit = 97%), Sun = 149°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.38 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL43
 Note                      : FP:true

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


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