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Stellar Occultation by (277114) 2005 GT28 on 2023-08-24 (22:43:45 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] : f87dbdc0-ddb3-11f0-547e-6db8cffecb3f [observed] Occultation Date + Time : 2023-08-24 at 22:43:45 UT +/- 0.01 min [1] Object Designation : (277114) 2005 GT28 Star Designation : GDR3 1808681376274180864 Star Coordinates (ICRF) : RA = 20 16 50.7016, DE = +16 26 48.277 [2] Star Magnitudes : G = 13.97 mag, RP = 13.21 mag, BP = 14.6 mag Object Magnitude : V = 20.23 mag Estimated Magnitude Drop : 6.3 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 13.0 km/s Object Mean Diameter : 2.9 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4900 arcs/min @ PA = 217 deg Horizontal Parallax : 4.0010 arcs Dynamical Class : MBA Elongation to Moon & Sun : 70° (sunlit = 56%), Sun = 140° Cross-track uncertainty : 1.0 mas = 1 km = 0.55 path-width (1-sig) RUWE and duplicate source : 1.01 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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