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Stellar Occultation by (165003) 2000 BT49 on 2023-09-27 (18:47:44 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] : 1cbdfbf0-ddb4-11f0-547e-8b217fffffe4 [observed] Occultation Date + Time : 2023-09-27 at 18:47:44 UT +/- 0.02 min [1] Object Designation : (165003) 2000 BT49 Star Designation : GDR3 6851953471264535296 Star Coordinates (ICRF) : RA = 20 00 45.6427, DE = -23 43 24.369 [2] Star Magnitudes : G = 13.1 mag, RP = 12.36 mag, BP = 13.69 mag Object Magnitude : V = 19.94 mag Estimated Magnitude Drop : 6.8 mag Estimated Max. Duration : 0.6 sec Speed of the shadow : 5.4 km/s Object Mean Diameter : 3.1 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.2167 arcs/min @ PA = 24 deg Horizontal Parallax : 4.2460 arcs Dynamical Class : MBA Elongation to Moon & Sun : 44° (sunlit = 96%), Sun = 113° Cross-track uncertainty : 1.0 mas = 1 km = 0.48 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#41 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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