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Stellar Occultation by (49637) 1999 HO8 on 2023-09-15 (19:05:15 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] : 09a5adb0-ddb4-11f0-547e-21679d55eb33 [observed] Occultation Date + Time : 2023-09-15 at 19:05:15 UT +/- 0.0 min [1] Object Designation : (49637) 1999 HO8 Star Designation : GDR3 0098780987928364928 Star Coordinates (ICRF) : RA = 01 54 44.2507, DE = +23 33 23.061 [2] Star Magnitudes : G = 12.74 mag, RP = 12.06 mag, BP = 13.23 mag Object Magnitude : V = 18.54 mag Estimated Magnitude Drop : 5.8 mag Estimated Max. Duration : 0.7 sec Speed of the shadow : 8.2 km/s Object Mean Diameter : 5.6 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.3350 arcs/min @ PA = 299 deg Horizontal Parallax : 4.3400 arcs Dynamical Class : MBA Elongation to Moon & Sun : 143° (sunlit = 0%), Sun = 137° Cross-track uncertainty : 1.0 mas = 1 km = 0.26 path-width (1-sig) RUWE and duplicate source : 7.91 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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