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Stellar Occultation by (469442) 2002 GG166 on 2025-09-14 (19:00:14 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] : 7414a8b0-ddb7-11f0-547e-9863f9e70b6d [observed] Occultation Date + Time : 2025-09-14 at 19:00:14 UT +/- 22.68 min [1] Object Designation : (469442) 2002 GG166 Star Designation : GDR3 4046452207560811520 Star Coordinates (ICRF) : RA = 18 22 54.8568, DE = -30 30 30.322 [2] Star Magnitudes : G = 14.37 mag, RP = 13.42 mag, BP = 15.31 mag Object Magnitude : V = 20.24 mag Estimated Magnitude Drop : 5.9 mag Estimated Max. Duration : 18.0 sec Speed of the shadow : 4.3 km/s Object Mean Diameter : 77.5 km (src: astorb) => apparent = 7 mas Apparent Motion : 0.0250 arcs/min @ PA = 43 deg Horizontal Parallax : 0.6040 arcs Dynamical Class : TNO Elongation to Moon & Sun : 172° (sunlit = 46%), Sun = 103° Cross-track uncertainty : 57.3 mas = 605 km = 7.81 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#12 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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