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Stellar Occultation by (18837) 1999 NY62 on 2026-10-03 (21:47:58 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] : a7979010-d9b2-11f1-43f3-9d09ea4f5a43 [observed]

 Occultation Date + Time   : 2026-10-03 at 21:47:58 UT +/- 0.01 min  [1]
 Object Designation        : (18837) 1999 NY62
 Star Designation          : GDR3 2724780205235034112
 Star Coordinates (ICRF)   : RA = 21 54 28.7338, DE = +07 56 01.207  [2]
 Star Magnitudes           : G = 13.11 mag, RP = 12.7 mag, BP = 13.34 mag
 Object Magnitude          : V = 17.86 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 7.6 km/s
 Object Mean Diameter      : 5.4 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.3933 arcs/min @ PA = 217 deg
 Horizontal Parallax       : 5.4660 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 127° (sunlit = 46%), Sun = 139°
 Cross-track uncertainty   : 1.4 mas = 1 km = 0.30 path-width (1-sig)
 RUWE and duplicate source : 7.5 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL55
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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