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Stellar Occultation by (24470) 2000 SJ310 on 2025-12-12 (16:33:23 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] : d86da270-ddb8-11f0-547e-5790abe73759 [observed] Occultation Date + Time : 2025-12-12 at 16:33:23 UT +/- 0.04 min [1] Object Designation : (24470) 2000 SJ310 Star Designation : GDR3 0163908291460549632 Star Coordinates (ICRF) : RA = 04 05 30.5318, DE = +27 55 10.557 [2] Star Magnitudes : G = 12.6 mag, RP = 12.16 mag, BP = 12.89 mag Object Magnitude : V = 18.09 mag Estimated Magnitude Drop : 5.5 mag Estimated Max. Duration : 1.2 sec Speed of the shadow : 18.2 km/s Object Mean Diameter : 21.8 km (src: astorb) => apparent = 7 mas Apparent Motion : 0.3483 arcs/min @ PA = 239 deg Horizontal Parallax : 2.0380 arcs Dynamical Class : JTRO Elongation to Moon & Sun : 115° (sunlit = 42%), Sun = 162° Cross-track uncertainty : 2.3 mas = 7 km = 0.33 path-width (1-sig) RUWE and duplicate source : 1.45 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#57 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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