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Stellar Occultation by (21122) 1992 YK on 2024-09-23 (20:34:22 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] : 7350f570-ddb5-11f0-547e-706ed43da1d6 [observed]

 Occultation Date + Time   : 2024-09-23 at 20:34:22 UT +/- 0.0 min  [1]
 Object Designation        : (21122) 1992 YK
 Star Designation          : GDR3 6826237779778023808
 Star Coordinates (ICRF)   : RA = 22 15 24.2083, DE = -16 20 12.903  [2]
 Star Magnitudes           : G = 11.86 mag, RP = 11.46 mag, BP = 12.1 mag
 Object Magnitude          : V = 16.95 mag
 Estimated Magnitude Drop  : 5.1 mag
 Estimated Max. Duration   : 0.9 sec
 Speed of the shadow       : 7.7 km/s
 Object Mean Diameter      : 7.1 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.4217 arcs/min @ PA = 272 deg
 Horizontal Parallax       : 5.8470 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 110° (sunlit = 60%), Sun = 148°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63
 Note                      : FP:true

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


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