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Stellar Occultation by (64844) 2001 YB12 on 2023-10-08 (23:24:18 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] : 214a61e0-ddb4-11f0-547e-5822180b6915 [observed]

 Occultation Date + Time   : 2023-10-08 at 23:24:18 UT +/- 0.03 min  [1]
 Object Designation        : (64844) 2001 YB12
 Star Designation          : GDR3 0056935327723272448
 Star Coordinates (ICRF)   : RA = 03 37 55.9343, DE = +18 43 49.052  [2]
 Star Magnitudes           : G = 13.64 mag, RP = 13.11 mag, BP = 13.99 mag
 Object Magnitude          : V = 20.28 mag
 Estimated Magnitude Drop  : 6.7 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 6.3 km/s
 Object Mean Diameter      : 3.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2183 arcs/min @ PA = 259 deg
 Horizontal Parallax       : 3.6730 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 75° (sunlit = 28%), Sun = 139°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.92 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL35
 Note                      : FP:true

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


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