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Stellar Occultation by (180977) 2005 NB1 on 2024-11-03 (23:06:08 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] : 99c41930-ddb5-11f0-547e-84b9fbafab48 [observed] Occultation Date + Time : 2024-11-03 at 23:06:08 UT +/- 0.07 min [1] Object Designation : (180977) 2005 NB1 Star Designation : GDR3 2534399182769876352 Star Coordinates (ICRF) : RA = 01 24 38.6827, DE = +01 06 13.860 [2] Star Magnitudes : G = 12.53 mag, RP = 12.14 mag, BP = 12.76 mag Object Magnitude : V = 19.52 mag Estimated Magnitude Drop : 7.0 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 7.4 km/s Object Mean Diameter : 1.90 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4250 arcs/min @ PA = 239 deg Horizontal Parallax : 6.1070 arcs Dynamical Class : MBA Elongation to Moon & Sun : 130° (sunlit = 6%), Sun = 157° Cross-track uncertainty : 18.3 mas = 19 km = 10.06 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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