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Stellar Occultation by (41909) 2000 WO141 on 2023-09-12 (21:19:40 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] : 081e4a60-ddb4-11f0-547e-de99eb7f522c [observed]

 Occultation Date + Time   : 2023-09-12 at 21:19:40 UT +/- 0.0 min  [1]
 Object Designation        : (41909) 2000 WO141
 Star Designation          : GDR3 0144924123692367872
 Star Coordinates (ICRF)   : RA = 04 37 07.7453, DE = +22 19 23.705  [2]
 Star Magnitudes           : G = 11.63 mag, RP = 10.82 mag, BP = 12.33 mag
 Object Magnitude          : V = 18.37 mag
 Estimated Magnitude Drop  : 6.7 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 15.4 km/s
 Object Mean Diameter      : 5.4 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.6733 arcs/min @ PA = 70 deg
 Horizontal Parallax       : 4.6520 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 75° (sunlit = 4%), Sun = 99°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.08 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#49
 Note                      : FP:true

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


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