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Stellar Occultation by (7030) Colombini on 2023-07-17 (20:09:44 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] : d9cadac0-ddb3-11f0-547e-e19fefffcb96 [observed] Occultation Date + Time : 2023-07-17 at 20:09:44 UT +/- 0.01 min [1] Object Designation : (7030) Colombini Star Designation : GDR3 4161653954992289536 Star Coordinates (ICRF) : RA = 17 37 13.2705, DE = -13 16 21.321 [2] Star Magnitudes : G = 12.96 mag, RP = 12.24 mag, BP = 13.5 mag Object Magnitude : V = 15.93 mag Estimated Magnitude Drop : 3.0 mag Estimated Max. Duration : 1.8 sec Speed of the shadow : 3.3 km/s Object Mean Diameter : 5.8 km (src: astorb) => apparent = 9 mas Apparent Motion : 0.2900 arcs/min @ PA = 309 deg Horizontal Parallax : 9.4740 arcs Dynamical Class : MBA Elongation to Moon & Sun : 145° (sunlit = 0%), Sun = 148° Cross-track uncertainty : 0.3 mas = 0 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#56 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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