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Stellar Occultation by (163926) 2003 SN299 on 2025-12-31 (00:11:10 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] : 1c3265b0-d997-11f1-43f3-ebd9ef6d1eb9 [observed]

 Occultation Date + Time   : 2025-12-31 at 00:11:10 UT +/- 0.01 min  [1]
 Object Designation        : (163926) 2003 SN299
 Star Designation          : GDR3 3450456088564990848
 Star Coordinates (ICRF)   : RA = 06 06 01.1090, DE = +32 39 05.909  [2]
 Star Magnitudes           : G = 11.97 mag, RP = 11.4 mag, BP = 12.37 mag
 Object Magnitude          : V = 19.01 mag
 Estimated Magnitude Drop  : 7.1 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 13.7 km/s
 Object Mean Diameter      : 3.3 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.6267 arcs/min @ PA = 252 deg
 Horizontal Parallax       : 4.8570 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 39° (sunlit = 84%), Sun = 168°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.40 path-width (1-sig)
 RUWE and duplicate source : 0.89 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL34
 Note                      : FP:true

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


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