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Stellar Occultation by (88813) 2001 SJ147 on 2025-09-23 (21:05:22 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] : 6f053aa0-ddb8-11f0-547e-6b60fbef679c [observed] Occultation Date + Time : 2025-09-23 at 21:05:22 UT +/- 0.01 min [1] Object Designation : (88813) 2001 SJ147 Star Designation : GDR3 6870821537474365184 Star Coordinates (ICRF) : RA = 19 58 48.0973, DE = -17 46 43.758 [2] Star Magnitudes : G = 13.35 mag, RP = 12.86 mag, BP = 13.67 mag Object Magnitude : V = 17.38 mag Estimated Magnitude Drop : 4.1 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 12.1 km/s Object Mean Diameter : 4.0 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.9333 arcs/min @ PA = 29 deg Horizontal Parallax : 8.1660 arcs Dynamical Class : MBA Elongation to Moon & Sun : 94° (sunlit = 4%), Sun = 117° Cross-track uncertainty : 2.7 mas = 2 km = 0.53 path-width (1-sig) RUWE and duplicate source : 2.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#48 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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