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Stellar Occultation by (513528) 2010 AH61 on 2023-10-08 (18:31:27 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] : 1ece8c70-ddb4-11f0-547e-0977ffdd9207 [observed] Occultation Date + Time : 2023-10-08 at 18:31:27 UT +/- 0.09 min [1] Object Designation : (513528) 2010 AH61 Star Designation : GDR3 2811883997423605248 Star Coordinates (ICRF) : RA = 23 07 15.8100, DE = +12 35 21.410 [2] Star Magnitudes : G = 12.86 mag, RP = 12.33 mag, BP = 13.19 mag Object Magnitude : V = 21.12 mag Estimated Magnitude Drop : 8.3 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 13.7 km/s Object Mean Diameter : 3.2 km (src: astorb) => apparent = 1 mas Apparent Motion : 0.3667 arcs/min @ PA = 231 deg Horizontal Parallax : 2.8520 arcs Dynamical Class : MBA Elongation to Moon & Sun : 132° (sunlit = 30%), Sun = 152° Cross-track uncertainty : 24.0 mas = 53 km = 16.77 path-width (1-sig) RUWE and duplicate source : 1.86 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#21 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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