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Stellar Occultation by (135264) 2001 SW73 on 2023-11-18 (21:34:38 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] : 3a0f5320-ddb4-11f0-547e-92e3ee7e5cfa [observed]

 Occultation Date + Time   : 2023-11-18 at 21:34:38 UT +/- 0.03 min  [1]
 Object Designation        : (135264) 2001 SW73
 Star Designation          : GDR3 2539483938716573440
 Star Coordinates (ICRF)   : RA = 01 08 06.2249, DE = +02 45 39.991  [2]
 Star Magnitudes           : G = 11.64 mag, RP = 10.45 mag, BP = 11.63 mag
 Object Magnitude          : V = 18.82 mag
 Estimated Magnitude Drop  : 7.2 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 8.3 km/s
 Object Mean Diameter      : 4.0 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3833 arcs/min @ PA = 306 deg
 Horizontal Parallax       : 4.8740 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 71° (sunlit = 33%), Sun = 140°
 Cross-track uncertainty   : 7.1 mas = 9 km = 2.32 path-width (1-sig)
 RUWE and duplicate source : 6.19 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL43
 Note                      : FP:true

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


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