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Stellar Occultation by (63380) 2001 HE51 on 2025-10-02 (22:49:05 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] : 810c6700-ddb8-11f0-547e-e403779bc3b5 [observed] Occultation Date + Time : 2025-10-02 at 22:49:05 UT +/- 0.06 min [1] Object Designation : (63380) 2001 HE51 Star Designation : GDR3 2618154579799540352 Star Coordinates (ICRF) : RA = 21 51 02.9905, DE = -09 14 35.267 [2] Star Magnitudes : G = 10.97 mag, RP = 10.29 mag, BP = 11.5 mag Object Magnitude : V = 19.4 mag Estimated Magnitude Drop : 8.4 mag Estimated Max. Duration : 1.2 sec Speed of the shadow : 1.9 km/s Object Mean Diameter : 2.3 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.1050 arcs/min @ PA = 266 deg Horizontal Parallax : 6.0410 arcs Dynamical Class : MBA Elongation to Moon & Sun : 14° (sunlit = 78%), Sun = 137° Cross-track uncertainty : 2.7 mas = 2 km = 1.24 path-width (1-sig) RUWE and duplicate source : 1.26 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#40 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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