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Stellar Occultation by (188) Menippe on 2025-10-21 (20:21:48 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] : 9a0d28c0-ddb8-11f0-547e-12a4f9fcb916 [observed] Occultation Date + Time : 2025-10-21 at 20:21:48 UT +/- 0.0 min [1] Object Designation : (188) Menippe Star Designation : GDR3 4146488562905908224 Star Coordinates (ICRF) : RA = 18 13 11.7490, DE = -14 33 06.703 [2] Star Magnitudes : G = 9.56 mag, RP = 8.41 mag, BP = 10.94 mag Object Magnitude : V = 14.18 mag Estimated Magnitude Drop : 4.6 mag Estimated Max. Duration : 1.2 sec Speed of the shadow : 32.1 km/s Object Mean Diameter : 38.6 km (src: astorb) => apparent = 21 mas Apparent Motion : 1.0600 arcs/min @ PA = 89 deg Horizontal Parallax : 3.5060 arcs Dynamical Class : MBA Elongation to Moon & Sun : 62° (sunlit = 0%), Sun = 65° Cross-track uncertainty : 0.7 mas = 1 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#104 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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