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Stellar Occultation by (21565) 1998 QZ102 on 2023-09-27 (21:59:04 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] : 1bf295a0-ddb4-11f0-547e-d13beb8fed49 [observed]

 Occultation Date + Time   : 2023-09-27 at 21:59:04 UT +/- 0.01 min  [1]
 Object Designation        : (21565) 1998 QZ102
 Star Designation          : GDR3 3397086588724764800
 Star Coordinates (ICRF)   : RA = 05 34 35.5115, DE = +16 59 16.971  [2]
 Star Magnitudes           : G = 13.69 mag, RP = 13.07 mag, BP = 14.15 mag
 Object Magnitude          : V = 19.14 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 8.2 km/s
 Object Mean Diameter      : 6.9 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2417 arcs/min @ PA = 101 deg
 Horizontal Parallax       : 3.1310 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 100° (sunlit = 97%), Sun = 101°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#62
 Note                      : FP:true

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


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