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Stellar Occultation by (8721) AMOS on 2023-05-21 (01:40:16 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] : 99db83b0-ddb3-11f0-547e-6664ffff1e96 [observed] Occultation Date + Time : 2023-05-21 at 01:40:16 UT +/- 0.06 min [1] Object Designation : (8721) AMOS Star Designation : GDR3 6873483695643666176 Star Coordinates (ICRF) : RA = 20 20 05.9980, DE = -16 50 22.708 [2] Star Magnitudes : G = 14.46 mag, RP = 13.9 mag, BP = 14.85 mag Object Magnitude : V = 17.76 mag Estimated Magnitude Drop : 3.4 mag Estimated Max. Duration : 5.2 sec Speed of the shadow : 3.3 km/s Object Mean Diameter : 17.2 km (src: astorb) => apparent = 7 mas Apparent Motion : 0.0833 arcs/min @ PA = 31 deg Horizontal Parallax : 2.6850 arcs Dynamical Class : MBA Elongation to Moon & Sun : 133° (sunlit = 2%), Sun = 116° Cross-track uncertainty : 0.7 mas = 1 km = 0.10 path-width (1-sig) RUWE and duplicate source : 1.21 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#70 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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