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Stellar Occultation by (55306) 2001 SP53 on 2024-12-22 (04:55:23 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] : c7320ad0-ddb5-11f0-547e-1a7457df17cd [observed]

 Occultation Date + Time   : 2024-12-22 at 04:55:23 UT +/- 0.01 min  [1]
 Object Designation        : (55306) 2001 SP53
 Star Designation          : GDR3 3431639531905004544
 Star Coordinates (ICRF)   : RA = 06 01 24.6378, DE = +29 07 28.003  [2]
 Star Magnitudes           : G = 13.17 mag, RP = 12.74 mag, BP = 13.43 mag
 Object Magnitude          : V = 18.34 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 13.4 km/s
 Object Mean Diameter      : 5.2 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5333 arcs/min @ PA = 275 deg
 Horizontal Parallax       : 4.2270 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 83° (sunlit = 57%), Sun = 174°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.20 path-width (1-sig)
 RUWE and duplicate source : 1.67 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#50
 Note                      : FP:true

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


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