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Stellar Occultation by (48833) 1997 YA5 on 2023-06-16 (22:15:23 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] : b2ce89d0-ddb3-11f0-547e-f293bab6c40b [observed] Occultation Date + Time : 2023-06-16 at 22:15:23 UT +/- 0.0 min [1] Object Designation : (48833) 1997 YA5 Star Designation : GDR3 4086585653282644736 Star Coordinates (ICRF) : RA = 18 56 15.6556, DE = -18 30 28.007 [2] Star Magnitudes : G = 12.76 mag, RP = 11.73 mag, BP = 13.85 mag Object Magnitude : V = 18.02 mag Estimated Magnitude Drop : 5.3 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 13.9 km/s Object Mean Diameter : 7.4 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.5250 arcs/min @ PA = 285 deg Horizontal Parallax : 4.0200 arcs Dynamical Class : MBA Elongation to Moon & Sun : 147° (sunlit = 2%), Sun = 162° Cross-track uncertainty : 0.3 mas = 0 km = 0.06 path-width (1-sig) RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#57 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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