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Stellar Occultation by (33766) 1999 RT100 on 2023-12-11 (22:38:35 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] : 45dfc4f0-ddb4-11f0-547e-0ada7fe3e14a [observed] Occultation Date + Time : 2023-12-11 at 22:38:35 UT +/- 0.01 min [1] Object Designation : (33766) 1999 RT100 Star Designation : GDR3 0126271286883975552 Star Coordinates (ICRF) : RA = 02 40 26.9375, DE = +25 44 56.390 [2] Star Magnitudes : G = 10.69 mag, RP = 10.23 mag, BP = 10.98 mag Object Magnitude : V = 18.42 mag Estimated Magnitude Drop : 7.7 mag Estimated Max. Duration : 0.8 sec Speed of the shadow : 9.9 km/s Object Mean Diameter : 7.4 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.3417 arcs/min @ PA = 224 deg Horizontal Parallax : 3.6700 arcs Dynamical Class : MBA Elongation to Moon & Sun : 158° (sunlit = 1%), Sun = 145° Cross-track uncertainty : 0.7 mas = 1 km = 0.16 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#52 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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