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Stellar Occultation by (97244) 1999 XL90 on 2024-11-09 (02:47:56 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] : a029d300-ddb5-11f0-547e-f229fbbb5f61 [observed] Occultation Date + Time : 2024-11-09 at 02:47:56 UT +/- 0.78 min [1] Object Designation : (97244) 1999 XL90 Star Designation : GDR3 3366814246177008384 Star Coordinates (ICRF) : RA = 07 03 01.5897, DE = +20 47 56.845 [2] Star Magnitudes : G = 11.95 mag, RP = 11.41 mag, BP = 12.34 mag Object Magnitude : V = 19.23 mag Estimated Magnitude Drop : 7.3 mag Estimated Max. Duration : 1.3 sec Speed of the shadow : 2.6 km/s Object Mean Diameter : 3.3 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.1217 arcs/min @ PA = 22 deg Horizontal Parallax : 4.9720 arcs Dynamical Class : MBA Elongation to Moon & Sun : 149° (sunlit = 49%), Sun = 122° Cross-track uncertainty : 18.0 mas = 23 km = 7.00 path-width (1-sig) RUWE and duplicate source : 1.77 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#36 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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