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Stellar Occultation by (54643) 2000 SP283 on 2023-08-22 (00:54:33 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] : fb19c560-ddb3-11f0-547e-7c07eb277cae [observed] Occultation Date + Time : 2023-08-22 at 00:54:33 UT +/- 0.03 min [1] Object Designation : (54643) 2000 SP283 Star Designation : GDR3 2624276664838193792 Star Coordinates (ICRF) : RA = 22 43 07.2632, DE = -04 44 02.612 [2] Star Magnitudes : G = 13.75 mag, RP = 13.29 mag, BP = 14.06 mag Object Magnitude : V = 19.42 mag Estimated Magnitude Drop : 5.7 mag Estimated Max. Duration : 0.7 sec Speed of the shadow : 16.5 km/s Object Mean Diameter : 11.4 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.3200 arcs/min @ PA = 257 deg Horizontal Parallax : 2.0560 arcs Dynamical Class : JTRO Elongation to Moon & Sun : 130° (sunlit = 27%), Sun = 168° Cross-track uncertainty : 5.3 mas = 16 km = 1.44 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#39 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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