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Stellar Occultation by (13141) 1994 WW2 on 2024-09-20 (20:23:14 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] : 6ad15c50-ddb5-11f0-547e-a7fc5cdebe33 [observed]

 Occultation Date + Time   : 2024-09-20 at 20:23:14 UT +/- 0.01 min  [1]
 Object Designation        : (13141) 1994 WW2
 Star Designation          : GDR3 6837716410589674240
 Star Coordinates (ICRF)   : RA = 21 39 06.8572, DE = -17 15 13.124  [2]
 Star Magnitudes           : G = 13.43 mag, RP = 12.94 mag, BP = 13.75 mag
 Object Magnitude          : V = 17.88 mag
 Estimated Magnitude Drop  : 4.5 mag
 Estimated Max. Duration   : 1.1 sec
 Speed of the shadow       : 5.0 km/s
 Object Mean Diameter      : 5.5 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.2500 arcs/min @ PA = 269 deg
 Horizontal Parallax       : 5.2840 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 76° (sunlit = 89%), Sun = 143°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.22 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#60
 Note                      : FP:true

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


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