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Stellar Occultation by (52891) 1998 SM61 on 2024-12-01 (02:14:06 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] : b20eaa50-ddb5-11f0-547e-eba67f7c3852 [observed] Occultation Date + Time : 2024-12-01 at 02:14:06 UT +/- 0.01 min [1] Object Designation : (52891) 1998 SM61 Star Designation : GDR3 0884314902750171520 Star Coordinates (ICRF) : RA = 07 02 37.9055, DE = +28 05 19.384 [2] Star Magnitudes : G = 10.91 mag, RP = 10.69 mag, BP = 11.02 mag Object Magnitude : V = 20.04 mag Estimated Magnitude Drop : 9.1 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 9.8 km/s Object Mean Diameter : 2.5 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4217 arcs/min @ PA = 280 deg Horizontal Parallax : 4.5750 arcs Dynamical Class : MBA Elongation to Moon & Sun : 144° (sunlit = 0%), Sun = 145° Cross-track uncertainty : 1.3 mas = 1 km = 0.72 path-width (1-sig) RUWE and duplicate source : 0.85 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#35 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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