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Stellar Occultation by (108658) 2001 ND20 on 2026-10-04 (18:49:54 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] : 49ebf590-d9b3-11f1-43f3-8e3125d6592d [observed]

 Occultation Date + Time   : 2026-10-04 at 18:49:54 UT +/- 0.01 min  [1]
 Object Designation        : (108658) 2001 ND20
 Star Designation          : GDR3 4247049690213118464
 Star Coordinates (ICRF)   : RA = 20 06 48.2475, DE = +03 16 56.030  [2]
 Star Magnitudes           : G = 13.21 mag, RP = 12.42 mag, BP = 13.88 mag
 Object Magnitude          : V = 18.85 mag
 Estimated Magnitude Drop  : 5.7 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 13.1 km/s
 Object Mean Diameter      : 3.2 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.7133 arcs/min @ PA = 119 deg
 Horizontal Parallax       : 5.7950 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 153° (sunlit = 36%), Sun = 111°
 Cross-track uncertainty   : 2.0 mas = 2 km = 0.69 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL41
 Note                      : FP:true

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


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