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Stellar Occultation by (23409) Derzhavin on 2024-12-31 (20:27:56 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] : ddb856b0-ddb5-11f0-547e-c831f2f10081 [observed] Occultation Date + Time : 2024-12-31 at 20:27:56 UT +/- 0.01 min [1] Object Designation : (23409) Derzhavin Star Designation : GDR3 3296320677364313088 Star Coordinates (ICRF) : RA = 04 55 42.9752, DE = +13 22 11.122 [2] Star Magnitudes : G = 12.17 mag, RP = 11.08 mag, BP = 13.41 mag Object Magnitude : V = 17.21 mag Estimated Magnitude Drop : 5.1 mag Estimated Max. Duration : 0.8 sec Speed of the shadow : 4.9 km/s Object Mean Diameter : 3.7 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.3783 arcs/min @ PA = 279 deg Horizontal Parallax : 8.2640 arcs Dynamical Class : MBA Elongation to Moon & Sun : 140° (sunlit = 1%), Sun = 152° Cross-track uncertainty : 0.3 mas = 0 km = 0.06 path-width (1-sig) RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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