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Stellar Occultation by (66427) 1999 NP34 on 2025-11-08 (21:43:38 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] : afdd4400-ddb8-11f0-547e-df0fb3f9dd61 [observed]

 Occultation Date + Time   : 2025-11-08 at 21:43:38 UT +/- 0.01 min  [1]
 Object Designation        : (66427) 1999 NP34
 Star Designation          : GDR3 0089128031750960512
 Star Coordinates (ICRF)   : RA = 02 35 34.0559, DE = +21 53 01.757  [2]
 Star Magnitudes           : G = 10.17 mag, RP = 9.36 mag, BP = 10.88 mag
 Object Magnitude          : V = 18.63 mag
 Estimated Magnitude Drop  : 8.5 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 10.8 km/s
 Object Mean Diameter      : 2.4 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.6467 arcs/min @ PA = 247 deg
 Horizontal Parallax       : 6.3520 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 50° (sunlit = 84%), Sun = 173°
 Cross-track uncertainty   : 1.7 mas = 1 km = 0.71 path-width (1-sig)
 RUWE and duplicate source : 1.27 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#45
 Note                      : FP:true

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


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