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Stellar Occultation by (15636) 2000 JD31 on 2023-10-04 (20:20:22 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] : 1b924d30-ddb4-11f0-547e-1e3aa2feab25 [observed] Occultation Date + Time : 2023-10-04 at 20:20:22 UT +/- 0.0 min [1] Object Designation : (15636) 2000 JD31 Star Designation : GDR3 4070618481100151552 Star Coordinates (ICRF) : RA = 17 55 21.1405, DE = -21 09 34.965 [2] Star Magnitudes : G = 10.29 mag, RP = 9.36 mag, BP = 11.2 mag Object Magnitude : V = 19.61 mag Estimated Magnitude Drop : 9.3 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 22.1 km/s Object Mean Diameter : 7.2 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5300 arcs/min @ PA = 89 deg Horizontal Parallax : 2.5510 arcs Dynamical Class : MBA Elongation to Moon & Sun : 170° (sunlit = 67%), Sun = 78° Cross-track uncertainty : 0.3 mas = 0 km = 0.10 path-width (1-sig) RUWE and duplicate source : 0.86 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#63 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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