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Stellar Occultation by (27619) Ethanmessier on 2025-12-08 (03:33:52 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] : d0689080-ddb8-11f0-547e-6e43abaf805e [observed] Occultation Date + Time : 2025-12-08 at 03:33:52 UT +/- 0.01 min [1] Object Designation : (27619) Ethanmessier Star Designation : GDR3 3345885901334092160 Star Coordinates (ICRF) : RA = 06 14 03.9535, DE = +16 06 24.302 [2] Star Magnitudes : G = 9.81 mag, RP = 8.92 mag, BP = 10.65 mag Object Magnitude : V = 19.2 mag Estimated Magnitude Drop : 9.4 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 12.7 km/s Object Mean Diameter : 3.1 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.5833 arcs/min @ PA = 270 deg Horizontal Parallax : 4.8670 arcs Dynamical Class : MBA Elongation to Moon & Sun : 29° (sunlit = 86%), Sun = 161° Cross-track uncertainty : 0.7 mas = 0 km = 0.30 path-width (1-sig) RUWE and duplicate source : 1.07 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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