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Stellar Occultation by (1379) Lomonosowa on 2025-09-02 (19:58:31 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] : 5f0d34a0-ddb7-11f0-547e-627bfafb83b7 [observed] Occultation Date + Time : 2025-09-02 at 19:58:31 UT +/- 0.01 min [1] Object Designation : (1379) Lomonosowa Star Designation : GDR3 4159845670682350336 Star Coordinates (ICRF) : RA = 18 32 00.3659, DE = -07 00 18.797 [2] Star Magnitudes : G = 10.23 mag, RP = 8.69 mag, BP = 14.24 mag Object Magnitude : V = 15.29 mag Estimated Magnitude Drop : 5.1 mag Estimated Max. Duration : 2.1 sec Speed of the shadow : 9.8 km/s Object Mean Diameter : 21.0 km (src: astorb) => apparent = 15 mas Apparent Motion : 0.4283 arcs/min @ PA = 149 deg Horizontal Parallax : 4.6190 arcs Dynamical Class : MBA Elongation to Moon & Sun : 21° (sunlit = 74%), Sun = 116° Cross-track uncertainty : 0.8 mas = 1 km = 0.05 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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