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Stellar Occultation by (165793) 2001 RQ33 on 2024-12-30 (23:34:12 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] : dc1a1000-ddb5-11f0-547e-b371f7fbbd17 [observed] Occultation Date + Time : 2024-12-30 at 23:34:12 UT +/- 0.01 min [1] Object Designation : (165793) 2001 RQ33 Star Designation : GDR3 3435796059514442880 Star Coordinates (ICRF) : RA = 06 33 36.1802, DE = +30 54 15.858 [2] Star Magnitudes : G = 12.72 mag, RP = 12.2 mag, BP = 13.06 mag Object Magnitude : V = 18.85 mag Estimated Magnitude Drop : 6.1 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 13.0 km/s Object Mean Diameter : 3.9 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5450 arcs/min @ PA = 262 deg Horizontal Parallax : 4.4510 arcs Dynamical Class : MBA Elongation to Moon & Sun : 176° (sunlit = 0%), Sun = 172° Cross-track uncertainty : 1.3 mas = 1 km = 0.48 path-width (1-sig) RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#35 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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