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Stellar Occultation by (35801) 1999 JB38 on 2025-10-13 (22:28:41 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] : 903d1ad0-ddb8-11f0-547e-8e44f7f1f6a0 [observed] Occultation Date + Time : 2025-10-13 at 22:28:41 UT +/- 0.01 min [1] Object Designation : (35801) 1999 JB38 Star Designation : GDR3 3443850330083663872 Star Coordinates (ICRF) : RA = 05 52 00.3557, DE = +29 30 52.748 [2] Star Magnitudes : G = 11.42 mag, RP = 11.17 mag, BP = 11.56 mag Object Magnitude : V = 19.25 mag Estimated Magnitude Drop : 7.8 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 6.6 km/s Object Mean Diameter : 3.4 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.3083 arcs/min @ PA = 63 deg Horizontal Parallax : 4.9230 arcs Dynamical Class : MBA Elongation to Moon & Sun : 25° (sunlit = 48%), Sun = 112° Cross-track uncertainty : 0.7 mas = 0 km = 0.27 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#58 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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