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Stellar Occultation by (217541) 2007 BZ20 on 2023-06-03 (22:20:19 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] : a3ed7ca0-ddb3-11f0-547e-267ebb7f0030 [observed] Occultation Date + Time : 2023-06-03 at 22:20:19 UT +/- 0.04 min [1] Object Designation : (217541) 2007 BZ20 Star Designation : GDR3 4421032768051366272 Star Coordinates (ICRF) : RA = 15 33 01.4056, DE = +02 21 23.764 [2] Star Magnitudes : G = 12.4 mag, RP = 12.06 mag, BP = 12.6 mag Object Magnitude : V = 20.01 mag Estimated Magnitude Drop : 7.6 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 11.7 km/s Object Mean Diameter : 2.4 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.5250 arcs/min @ PA = 272 deg Horizontal Parallax : 4.7630 arcs Dynamical Class : MBA Elongation to Moon & Sun : 31° (sunlit = 100%), Sun = 149° Cross-track uncertainty : 17.0 mas = 22 km = 9.49 path-width (1-sig) RUWE and duplicate source : 1.8 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#38 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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