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Stellar Occultation by (186283) 2002 AT155 on 2024-08-04 (22:08:51 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] : 23e73760-ddb5-11f0-547e-d50ad7db399e [observed] Occultation Date + Time : 2024-08-04 at 22:08:51 UT +/- 0.07 min [1] Object Designation : (186283) 2002 AT155 Star Designation : GDR3 4377536637814384768 Star Coordinates (ICRF) : RA = 16 54 13.6729, DE = -04 21 36.441 [2] Star Magnitudes : G = 12.89 mag, RP = 12.43 mag, BP = 13.19 mag Object Magnitude : V = 20.32 mag Estimated Magnitude Drop : 7.4 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 10.0 km/s Object Mean Diameter : 2.9 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3667 arcs/min @ PA = 168 deg Horizontal Parallax : 3.9070 arcs Dynamical Class : MBA Elongation to Moon & Sun : 112° (sunlit = 0%), Sun = 118° Cross-track uncertainty : 1.0 mas = 1 km = 0.56 path-width (1-sig) RUWE and duplicate source : 0.85 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#37 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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