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Stellar Occultation by (525181) 2004 TW246 on 2025-11-18 (20:21:22 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] : bad9eb10-ddb8-11f0-547e-0250fffed3c5 [observed] Occultation Date + Time : 2025-11-18 at 20:21:22 UT +/- 0.52 min [1] Object Designation : (525181) 2004 TW246 Star Designation : GDR3 2448994307845561216 Star Coordinates (ICRF) : RA = 23 56 34.1642, DE = -02 40 47.356 [2] Star Magnitudes : G = 11.76 mag, RP = 11.06 mag, BP = 12.31 mag Object Magnitude : V = 21.79 mag Estimated Magnitude Drop : 10.0 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 3.1 km/s Object Mean Diameter : 1.30 km (src: astorb) => apparent = 1 mas Apparent Motion : 0.1200 arcs/min @ PA = 156 deg Horizontal Parallax : 4.2050 arcs Dynamical Class : MBA Elongation to Moon & Sun : 137° (sunlit = 2%), Sun = 121° Cross-track uncertainty : 15.7 mas = 23 km = 18.32 path-width (1-sig) RUWE and duplicate source : 2.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#22 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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