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Stellar Occultation by (108660) 2001 NM20 on 2023-07-12 (23:09:02 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] : cd26ec50-ddb3-11f0-547e-d2b6ebfe18a2 [observed] Occultation Date + Time : 2023-07-12 at 23:09:02 UT +/- 0.0 min [1] Object Designation : (108660) 2001 NM20 Star Designation : GDR3 4211910672981404160 Star Coordinates (ICRF) : RA = 19 25 01.0467, DE = -04 07 23.762 [2] Star Magnitudes : G = 11.12 mag, RP = 10.12 mag, BP = 12.02 mag Object Magnitude : V = 18.47 mag Estimated Magnitude Drop : 7.4 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 15.2 km/s Object Mean Diameter : 7.0 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5167 arcs/min @ PA = 279 deg Horizontal Parallax : 3.6250 arcs Dynamical Class : MBA Elongation to Moon & Sun : 121° (sunlit = 21%), Sun = 162° Cross-track uncertainty : 0.3 mas = 0 km = 0.08 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#57 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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