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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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