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Stellar Occultation by (32338) 2000 QS87 on 2023-08-16 (20:04:15 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] : efbd7220-ddb3-11f0-547e-c4fdace72483 [observed]

 Occultation Date + Time   : 2023-08-16 at 20:04:15 UT +/- 0.0 min  [1]
 Object Designation        : (32338) 2000 QS87
 Star Designation          : GDR3 2689232238394903808
 Star Coordinates (ICRF)   : RA = 21 16 29.7112, DE = -00 54 13.015  [2]
 Star Magnitudes           : G = 10.26 mag, RP = 9.8 mag, BP = 10.57 mag
 Object Magnitude          : V = 18.73 mag
 Estimated Magnitude Drop  : 8.5 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 15.6 km/s
 Object Mean Diameter      : 5.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5450 arcs/min @ PA = 230 deg
 Horizontal Parallax       : 3.7200 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 160° (sunlit = 0%), Sun = 166°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#55
 Note                      : FP:true

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


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