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Stellar Occultation by (128263) 2003 SL303 on 2024-09-05 (20:25:37 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] : 53fa0a40-ddb5-11f0-547e-6c8a5fff3132 [observed] Occultation Date + Time : 2024-09-05 at 20:25:37 UT +/- 0.01 min [1] Object Designation : (128263) 2003 SL303 Star Designation : GDR3 6859694651598239232 Star Coordinates (ICRF) : RA = 20 34 39.3346, DE = -19 48 33.336 [2] Star Magnitudes : G = 11.78 mag, RP = 11.38 mag, BP = 12.03 mag Object Magnitude : V = 18.94 mag Estimated Magnitude Drop : 7.2 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 5.9 km/s Object Mean Diameter : 3.6 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.2850 arcs/min @ PA = 292 deg Horizontal Parallax : 5.1010 arcs Dynamical Class : MBA Elongation to Moon & Sun : 112° (sunlit = 7%), Sun = 142° Cross-track uncertainty : 1.3 mas = 1 km = 0.45 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#46 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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