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Stellar Occultation by (56980) 2000 SS177 on 2023-10-17 (20:08:18 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] : 2aba9c90-ddb4-11f0-547e-23ebe9bfe3b8 [observed] Occultation Date + Time : 2023-10-17 at 20:08:18 UT +/- 0.0 min [1] Object Designation : (56980) 2000 SS177 Star Designation : GDR3 0102903396322894720 Star Coordinates (ICRF) : RA = 02 19 55.8528, DE = +24 58 44.688 [2] Star Magnitudes : G = 11.36 mag, RP = 10.7 mag, BP = 11.86 mag Object Magnitude : V = 19.03 mag Estimated Magnitude Drop : 7.7 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 14.3 km/s Object Mean Diameter : 5.7 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.4750 arcs/min @ PA = 266 deg Horizontal Parallax : 3.5350 arcs Dynamical Class : MBA Elongation to Moon & Sun : 159° (sunlit = 10%), Sun = 160° Cross-track uncertainty : 1.0 mas = 1 km = 0.32 path-width (1-sig) RUWE and duplicate source : 0.91 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#45 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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