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Stellar Occultation by (91864) 1999 UW24 on 2023-04-04 (01:09:23 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] : 811d2220-ddb3-11f0-547e-6e3addfdf323 [observed]

 Occultation Date + Time   : 2023-04-04 at 01:09:23 UT +/- 0.0 min  [1]
 Object Designation        : (91864) 1999 UW24
 Star Designation          : GDR3 3625607848489037952
 Star Coordinates (ICRF)   : RA = 13 00 22.8646, DE = -10 35 09.233  [2]
 Star Magnitudes           : G = 14.09 mag, RP = 13.53 mag, BP = 14.45 mag
 Object Magnitude          : V = 17.06 mag
 Estimated Magnitude Drop  : 3.0 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 11.8 km/s
 Object Mean Diameter      : 7.2 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.5567 arcs/min @ PA = 275 deg
 Horizontal Parallax       : 4.9930 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 30° (sunlit = 95%), Sun = 175°
 Cross-track uncertainty   : 1.8 mas = 2 km = 0.32 path-width (1-sig)
 RUWE and duplicate source : 3.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#59
 Note                      : FP:true

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


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