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Stellar Occultation by (12864) Ryandrake on 2025-08-30 (21:01:12 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] : 59818720-ddb7-11f0-547e-14942fba18c6 [observed]

 Occultation Date + Time   : 2025-08-30 at 21:01:12 UT +/- 0.02 min  [1]
 Object Designation        : (12864) Ryandrake
 Star Designation          : GDR3 4188520040562316672
 Star Coordinates (ICRF)   : RA = 19 55 05.0410, DE = -13 24 12.266  [2]
 Star Magnitudes           : G = 9.92 mag, RP = 9.43 mag, BP = 10.23 mag
 Object Magnitude          : V = 18.01 mag
 Estimated Magnitude Drop  : 8.1 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 6.1 km/s
 Object Mean Diameter      : 5.0 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.3133 arcs/min @ PA = 214 deg
 Horizontal Parallax       : 5.4840 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 56° (sunlit = 46%), Sun = 140°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.16 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#52
 Note                      : FP:true

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


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