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Stellar Occultation by (10790) 1991 XS on 2023-12-23 (20:16:51 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] : 4c5c8930-ddb4-11f0-547e-e641efbf1e28 [observed] Occultation Date + Time : 2023-12-23 at 20:16:51 UT +/- 0.0 min [1] Object Designation : (10790) 1991 XS Star Designation : GDR3 3159738346531811968 Star Coordinates (ICRF) : RA = 07 08 17.9836, DE = +11 15 45.921 [2] Star Magnitudes : G = 10.82 mag, RP = 9.89 mag, BP = 11.71 mag Object Magnitude : V = 16.67 mag Estimated Magnitude Drop : 5.9 mag Estimated Max. Duration : 0.9 sec Speed of the shadow : 10.5 km/s Object Mean Diameter : 9.2 km (src: astorb) => apparent = 7 mas Apparent Motion : 0.5133 arcs/min @ PA = 257 deg Horizontal Parallax : 5.1660 arcs Dynamical Class : MBA Elongation to Moon & Sun : 55° (sunlit = 89%), Sun = 161° Cross-track uncertainty : 0.7 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 1.08 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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