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Stellar Occultation by (1551) Argelander on 2024-08-21 (20:47:56 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] : 44304ac0-ddb5-11f0-547e-bdb6dfee5e3f [observed] Occultation Date + Time : 2024-08-21 at 20:47:56 UT +/- 0.0 min [1] Object Designation : (1551) Argelander Star Designation : GDR3 4126682716351088128 Star Coordinates (ICRF) : RA = 16 49 59.4202, DE = -21 46 05.233 [2] Star Magnitudes : G = 10.58 mag, RP = 9.54 mag, BP = 11.69 mag Object Magnitude : V = 16.57 mag Estimated Magnitude Drop : 6.0 mag Estimated Max. Duration : 2.2 sec Speed of the shadow : 10.4 km/s Object Mean Diameter : 23.3 km (src: astorb) => apparent = 18 mas Apparent Motion : 0.4700 arcs/min @ PA = 105 deg Horizontal Parallax : 4.7910 arcs Dynamical Class : MBA Elongation to Moon & Sun : 105° (sunlit = 94%), Sun = 104° Cross-track uncertainty : 0.3 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 0.83 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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