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Stellar Occultation by (1627) Ivar on 2023-04-08 (20:19:29 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] : 8a2b3fa0-ddb3-11f0-547e-c366edfff974 [observed] Occultation Date + Time : 2023-04-08 at 20:19:29 UT +/- 0.0 min [1] Object Designation : (1627) Ivar Star Designation : GDR3 3737005075215742848 Star Coordinates (ICRF) : RA = 13 04 54.0090, DE = +11 31 49.684 [2] Star Magnitudes : G = 14.68 mag, RP = 13.58 mag, BP = 15.9 mag Object Magnitude : V = 13.82 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 1.0 sec Speed of the shadow : 9.5 km/s Object Mean Diameter : 9.5 km (src: astorb) => apparent = 17 mas Apparent Motion : 1.0000 arcs/min @ PA = 308 deg Horizontal Parallax : 11.2500 arcs Dynamical Class : NEO Elongation to Moon & Sun : 44° (sunlit = 92%), Sun = 161° Cross-track uncertainty : 0.8 mas = 0 km = 0.05 path-width (1-sig) RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#1501 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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