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Stellar Occultation by (101957) 1999 RT36 on 2025-11-15 (16:05:50 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] : b66ec8c0-ddb8-11f0-547e-9263fdffaa3c [observed] Occultation Date + Time : 2025-11-15 at 16:05:50 UT +/- 0.37 min [1] Object Designation : (101957) 1999 RT36 Star Designation : GDR3 0962900469121734144 Star Coordinates (ICRF) : RA = 06 08 48.5477, DE = +45 18 18.560 [2] Star Magnitudes : G = 12.07 mag, RP = 11.36 mag, BP = 12.62 mag Object Magnitude : V = 18.28 mag Estimated Magnitude Drop : 6.2 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 5.6 km/s Object Mean Diameter : 2.7 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.4150 arcs/min @ PA = 347 deg Horizontal Parallax : 7.8180 arcs Dynamical Class : MBA Elongation to Moon & Sun : 92° (sunlit = 18%), Sun = 137° Cross-track uncertainty : 2.7 mas = 2 km = 0.82 path-width (1-sig) RUWE and duplicate source : 0.95 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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