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Stellar Occultation by (130103) 1999 XR30 on 2024-12-08 (20:57:57 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] : b8a5d460-ddb5-11f0-547e-4879ffff7f40 [observed] Occultation Date + Time : 2024-12-08 at 20:57:57 UT +/- 0.01 min [1] Object Designation : (130103) 1999 XR30 Star Designation : GDR3 3369417958431731968 Star Coordinates (ICRF) : RA = 06 30 32.2036, DE = +16 40 36.754 [2] Star Magnitudes : G = 12.25 mag, RP = 11.98 mag, BP = 12.38 mag Object Magnitude : V = 19.22 mag Estimated Magnitude Drop : 7.0 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 11.4 km/s Object Mean Diameter : 2.7 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.5733 arcs/min @ PA = 281 deg Horizontal Parallax : 5.3580 arcs Dynamical Class : MBA Elongation to Moon & Sun : 107° (sunlit = 53%), Sun = 159° Cross-track uncertainty : 1.1 mas = 1 km = 0.48 path-width (1-sig) RUWE and duplicate source : 6.78 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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