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Stellar Occultation by (471128) 2010 DN13 on 2025-09-15 (20:29:45 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] : 6ecf2bf0-ddb7-11f0-547e-69b51fe6d68a [observed] Occultation Date + Time : 2025-09-15 at 20:29:45 UT +/- 0.07 min [1] Object Designation : (471128) 2010 DN13 Star Designation : GDR3 1947323745217981568 Star Coordinates (ICRF) : RA = 21 44 31.2496, DE = +33 24 36.044 [2] Star Magnitudes : G = 11.21 mag, RP = 10.48 mag, BP = 11.8 mag Object Magnitude : V = 19.99 mag Estimated Magnitude Drop : 8.8 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 10.6 km/s Object Mean Diameter : 2.3 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.5067 arcs/min @ PA = 251 deg Horizontal Parallax : 5.0730 arcs Dynamical Class : MBA Elongation to Moon & Sun : 106° (sunlit = 34%), Sun = 135° Cross-track uncertainty : 33.7 mas = 42 km = 18.42 path-width (1-sig) RUWE and duplicate source : 1.47 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#21 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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