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Stellar Occultation by (49499) 1999 CJ8 on 2024-12-21 (03:37:25 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] : c6857720-ddb5-11f0-547e-3872ffd7e497 [observed] Occultation Date + Time : 2024-12-21 at 03:37:25 UT +/- 0.0 min [1] Object Designation : (49499) 1999 CJ8 Star Designation : GDR3 3894008876031046528 Star Coordinates (ICRF) : RA = 12 15 47.0836, DE = +04 09 47.128 [2] Star Magnitudes : G = 11.83 mag, RP = 11.31 mag, BP = 12.17 mag Object Magnitude : V = 19.31 mag Estimated Magnitude Drop : 7.5 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 18.0 km/s Object Mean Diameter : 6.5 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5083 arcs/min @ PA = 98 deg Horizontal Parallax : 2.9970 arcs Dynamical Class : MBA Elongation to Moon & Sun : 22° (sunlit = 67%), Sun = 88° Cross-track uncertainty : 0.3 mas = 0 km = 0.10 path-width (1-sig) RUWE and duplicate source : 0.81 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#61 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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