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Stellar Occultation by (152637) 1997 NC1 on 2026-06-20 (23:39:07 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] : 8d46da40-d9a8-11f1-43f3-c8fc69ff0d69 [observed]

 Occultation Date + Time   : 2026-06-20 at 23:39:07 UT +/- 0.0 min  [1]
 Object Designation        : (152637) 1997 NC1
 Star Designation          : GDR3 2085020293655037696
 Star Coordinates (ICRF)   : RA = 20 16 44.8709, DE = +50 18 30.284  [2]
 Star Magnitudes           : G = 15.39 mag, RP = 14.79 mag, BP = 15.82 mag
 Object Magnitude          : V = 13.68 mag
 Estimated Magnitude Drop  : 0.2 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 4.0 km/s
 Object Mean Diameter      : 0.90 km  (src: astorb) => apparent = 33 mas
 Apparent Motion           : 8.9617 arcs/min @ PA = 225 deg
 Horizontal Parallax       : 235.4470 arcs
 Dynamical Class           : 
 Elongation to Moon & Sun  : 114° (sunlit = 41%), Sun = 100°
 Cross-track uncertainty   : 23.7 mas = 0 km = 0.71 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL131
 Prediction generated      : 2026-11-06 06:08:57 UTC
 Note                      : FP:true

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


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