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Stellar Occultation by (7920) 1981 XM2 on 2023-12-16 (20:35:38 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] : 49ce1620-ddb4-11f0-547e-e39f6ebff800 [observed] Occultation Date + Time : 2023-12-16 at 20:35:38 UT +/- 0.0 min [1] Object Designation : (7920) 1981 XM2 Star Designation : GDR3 3358517434511869568 Star Coordinates (ICRF) : RA = 06 49 04.0335, DE = +17 42 06.804 [2] Star Magnitudes : G = 12.45 mag, RP = 11.78 mag, BP = 12.96 mag Object Magnitude : V = 16.43 mag Estimated Magnitude Drop : 4.0 mag Estimated Max. Duration : 0.7 sec Speed of the shadow : 10.0 km/s Object Mean Diameter : 7.4 km (src: astorb) => apparent = 7 mas Apparent Motion : 0.5983 arcs/min @ PA = 250 deg Horizontal Parallax : 6.3460 arcs Dynamical Class : MBA Elongation to Moon & Sun : 144° (sunlit = 19%), Sun = 162° Cross-track uncertainty : 0.3 mas = 0 km = 0.04 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#60 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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