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Stellar Occultation by (40333) 1999 NO1 on 2026-08-30 (04:08:21 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] : d23bfe40-d9ae-11f1-43f3-14bbf1ff6542 [observed]

 Occultation Date + Time   : 2026-08-30 at 04:08:21 UT +/- 0.0 min  [1]
 Object Designation        : (40333) 1999 NO1
 Star Designation          : GDR3 0434686669300533120
 Star Coordinates (ICRF)   : RA = 03 09 49.9247, DE = +45 42 04.933  [2]
 Star Magnitudes           : G = 12.38 mag, RP = 16.06 mag, BP = 18.79 mag
 Object Magnitude          : V = 18.73 mag
 Estimated Magnitude Drop  : 6.4 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 10.8 km/s
 Object Mean Diameter      : 7.3 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.3467 arcs/min @ PA = 40 deg
 Horizontal Parallax       : 3.4120 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 60° (sunlit = 96%), Sun = 98°
 Cross-track uncertainty   : 0.8 mas = 1 km = 0.20 path-width (1-sig)
 RUWE and duplicate source : 2.59 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL61
 Note                      : FP:true

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


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