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Stellar Occultation by (1428) Mombasa on 2023-09-17 (00:33:08 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] : 0f187c00-ddb4-11f0-547e-93b9ffd1ff7b [observed] Occultation Date + Time : 2023-09-17 at 00:33:08 UT +/- 0.0 min [1] Object Designation : (1428) Mombasa Star Designation : GDR3 3330066682088660224 Star Coordinates (ICRF) : RA = 06 12 37.1145, DE = +10 39 55.468 [2] Star Magnitudes : G = 14.98 mag, RP = 14.23 mag, BP = 15.6 mag Object Magnitude : V = 15.43 mag Estimated Magnitude Drop : 1.0 mag Estimated Max. Duration : 2.8 sec Speed of the shadow : 20.6 km/s Object Mean Diameter : 56.6 km (src: astorb) => apparent = 31 mas Apparent Motion : 0.6700 arcs/min @ PA = 94 deg Horizontal Parallax : 3.4610 arcs Dynamical Class : MBA Elongation to Moon & Sun : 102° (sunlit = 4%), Sun = 81° Cross-track uncertainty : 0.7 mas = 1 km = 0.02 path-width (1-sig) RUWE and duplicate source : 0.95 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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