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Stellar Occultation by (27020) 1998 OQ10 on 2023-07-09 (20:24:04 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] : daade7c0-ddb3-11f0-547e-4d38bbf7b19a [observed] Occultation Date + Time : 2023-07-09 at 20:24:04 UT +/- 0.0 min [1] Object Designation : (27020) 1998 OQ10 Star Designation : GDR3 4067844649385927040 Star Coordinates (ICRF) : RA = 17 54 39.7071, DE = -23 48 30.506 [2] Star Magnitudes : G = 11.77 mag, RP = 10.29 mag, BP = 14.93 mag Object Magnitude : V = 17.34 mag Estimated Magnitude Drop : 5.6 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 7.7 km/s Object Mean Diameter : 3.8 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5433 arcs/min @ PA = 272 deg Horizontal Parallax : 7.5510 arcs Dynamical Class : MBA Elongation to Moon & Sun : 106° (sunlit = 53%), Sun = 161° Cross-track uncertainty : 0.5 mas = 0 km = 0.11 path-width (1-sig) RUWE and duplicate source : 0.74 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#55 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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