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Stellar Occultation by (90087) 2002 WS2 on 2024-12-01 (18:28:59 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] : b298e8f0-ddb5-11f0-547e-be6d5efd8de4 [observed]

 Occultation Date + Time   : 2024-12-01 at 18:28:59 UT +/- 0.01 min  [1]
 Object Designation        : (90087) 2002 WS2
 Star Designation          : GDR3 3366239339034409856
 Star Coordinates (ICRF)   : RA = 06 52 51.3080, DE = +20 40 15.484  [2]
 Star Magnitudes           : G = 11.9 mag, RP = 11.75 mag, BP = 11.98 mag
 Object Magnitude          : V = 19.62 mag
 Estimated Magnitude Drop  : 7.7 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.5 km/s
 Object Mean Diameter      : 3.8 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3567 arcs/min @ PA = 293 deg
 Horizontal Parallax       : 3.9770 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 153° (sunlit = 0%), Sun = 148°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.30 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL39
 Note                      : FP:true

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


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