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Stellar Occultation by (17833) 1998 HO42 on 2024-12-09 (19:42:34 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] : bb73e880-ddb5-11f0-547e-0b17dfafc033 [observed] Occultation Date + Time : 2024-12-09 at 19:42:34 UT +/- 0.0 min [1] Object Designation : (17833) 1998 HO42 Star Designation : GDR3 3398824809233376256 Star Coordinates (ICRF) : RA = 05 51 51.9402, DE = +19 09 18.952 [2] Star Magnitudes : G = 9.51 mag, RP = 8.46 mag, BP = 10.65 mag Object Magnitude : V = 16.84 mag Estimated Magnitude Drop : 7.3 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 10.7 km/s Object Mean Diameter : 6.7 km (src: astorb) => apparent = 6 mas Apparent Motion : 0.5833 arcs/min @ PA = 286 deg Horizontal Parallax : 5.7830 arcs Dynamical Class : MBA Elongation to Moon & Sun : 85° (sunlit = 63%), Sun = 169° Cross-track uncertainty : 0.3 mas = 0 km = 0.05 path-width (1-sig) RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#52 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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