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Stellar Occultation by (8512) 1991 PC11 on 2025-09-12 (20:34:47 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] : 6bbc1f90-ddb7-11f0-547e-28b6aff51750 [observed]

 Occultation Date + Time   : 2025-09-12 at 20:34:47 UT +/- 0.0 min  [1]
 Object Designation        : (8512) 1991 PC11
 Star Designation          : GDR3 4325768125689157120
 Star Coordinates (ICRF)   : RA = 16 41 48.8655, DE = -16 15 50.786  [2]
 Star Magnitudes           : G = 13.26 mag, RP = 12.59 mag, BP = 13.77 mag
 Object Magnitude          : V = 18.68 mag
 Estimated Magnitude Drop  : 5.4 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 20.2 km/s
 Object Mean Diameter      : 8.0 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5950 arcs/min @ PA = 108 deg
 Horizontal Parallax       : 3.1220 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 164° (sunlit = 68%), Sun = 81°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.08 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL#62
 Note                      : FP:true

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


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