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Stellar Occultation by (15769) 1993 FP23 on 2025-08-31 (23:39:53 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] : 5ff46050-ddb7-11f0-547e-11a03f4bea39 [observed]

 Occultation Date + Time   : 2025-08-31 at 23:39:53 UT +/- 0.01 min  [1]
 Object Designation        : (15769) 1993 FP23
 Star Designation          : GDR3 2615737857537052416
 Star Coordinates (ICRF)   : RA = 22 15 20.7778, DE = -09 10 15.699  [2]
 Star Magnitudes           : G = 11.44 mag, RP = 10.75 mag, BP = 11.99 mag
 Object Magnitude          : V = 17.98 mag
 Estimated Magnitude Drop  : 6.5 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 9.9 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.6100 arcs/min @ PA = 252 deg
 Horizontal Parallax       : 6.5680 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 76° (sunlit = 57%), Sun = 173°
 Cross-track uncertainty   : 1.7 mas = 1 km = 0.53 path-width (1-sig)
 RUWE and duplicate source : 0.84 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#47
 Note                      : FP:true

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


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