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Stellar Occultation by (7858) Bolotov on 2025-10-18 (18:38:11 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] : 96df1a50-ddb8-11f0-547e-85fddf6fb231 [observed] Occultation Date + Time : 2025-10-18 at 18:38:11 UT +/- 0.01 min [1] Object Designation : (7858) Bolotov Star Designation : GDR3 3431697702941104000 Star Coordinates (ICRF) : RA = 05 58 02.7551, DE = +29 24 45.725 [2] Star Magnitudes : G = 10.93 mag, RP = 10.17 mag, BP = 11.55 mag Object Magnitude : V = 17.72 mag Estimated Magnitude Drop : 6.8 mag Estimated Max. Duration : 1.0 sec Speed of the shadow : 5.1 km/s Object Mean Diameter : 5.2 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.2850 arcs/min @ PA = 71 deg Horizontal Parallax : 5.9910 arcs Dynamical Class : MBA Elongation to Moon & Sun : 86° (sunlit = 7%), Sun = 116° Cross-track uncertainty : 0.3 mas = 0 km = 0.06 path-width (1-sig) RUWE and duplicate source : 1.21 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#65 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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