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Stellar Occultation by (228901) 2003 SG71 on 2025-11-04 (04:50:08 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] : ac2915a0-ddb8-11f0-547e-09d4abb9d508 [observed] Occultation Date + Time : 2025-11-04 at 04:50:08 UT +/- 0.12 min [1] Object Designation : (228901) 2003 SG71 Star Designation : GDR3 3427407713506708992 Star Coordinates (ICRF) : RA = 05 51 30.8675, DE = +23 04 58.889 [2] Star Magnitudes : G = 12.85 mag, RP = 11.78 mag, BP = 14.03 mag Object Magnitude : V = 19.97 mag Estimated Magnitude Drop : 7.1 mag Estimated Max. Duration : 0.7 sec Speed of the shadow : 4.1 km/s Object Mean Diameter : 2.8 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.1667 arcs/min @ PA = 229 deg Horizontal Parallax : 4.3840 arcs Dynamical Class : MBA Elongation to Moon & Sun : 65° (sunlit = 97%), Sun = 134° Cross-track uncertainty : 3.3 mas = 4 km = 1.71 path-width (1-sig) RUWE and duplicate source : 1.65 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#43 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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